diff --git a/jsts/jst_prefix.js b/jsts/jst_prefix.js
index 7934fe6..412fc0d 100644
--- a/jsts/jst_prefix.js
+++ b/jsts/jst_prefix.js
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -283,10 +283,10 @@ $_GET= (function ()
     var ar = qs.split('&');
     for(var i=0; i<ar.length; ++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_backslash.jst.parsed b/tests/parser/jst_parser_backslash.jst.parsed
index 0828fe4..d3288a8 100644
--- a/tests/parser/jst_parser_backslash.jst.parsed
+++ b/tests/parser/jst_parser_backslash.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_comment_tag.jst.parsed b/tests/parser/jst_parser_comment_tag.jst.parsed
index e0557e3..dbbdaab 100644
--- a/tests/parser/jst_parser_comment_tag.jst.parsed
+++ b/tests/parser/jst_parser_comment_tag.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_include_code_after.jst.parsed b/tests/parser/jst_parser_include_code_after.jst.parsed
index 27f8148..4967fc3 100644
--- a/tests/parser/jst_parser_include_code_after.jst.parsed
+++ b/tests/parser/jst_parser_include_code_after.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_include_code_before.jst.parsed b/tests/parser/jst_parser_include_code_before.jst.parsed
index da99d95..cdc6084 100644
--- a/tests/parser/jst_parser_include_code_before.jst.parsed
+++ b/tests/parser/jst_parser_include_code_before.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_include_malformed_1.jst.parsed b/tests/parser/jst_parser_include_malformed_1.jst.parsed
index 3f4083b..8f61d6c 100644
--- a/tests/parser/jst_parser_include_malformed_1.jst.parsed
+++ b/tests/parser/jst_parser_include_malformed_1.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_include_nested.jst.parsed b/tests/parser/jst_parser_include_nested.jst.parsed
index 31cb1b9..da0b84f 100644
--- a/tests/parser/jst_parser_include_nested.jst.parsed
+++ b/tests/parser/jst_parser_include_nested.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_include_not_if_in_block_comment.jst.parsed b/tests/parser/jst_parser_include_not_if_in_block_comment.jst.parsed
index 47e7068..26ce91e 100644
--- a/tests/parser/jst_parser_include_not_if_in_block_comment.jst.parsed
+++ b/tests/parser/jst_parser_include_not_if_in_block_comment.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_include_not_if_in_content.jst.parsed b/tests/parser/jst_parser_include_not_if_in_content.jst.parsed
index 30e9a4a..cc96393 100644
--- a/tests/parser/jst_parser_include_not_if_in_content.jst.parsed
+++ b/tests/parser/jst_parser_include_not_if_in_content.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_include_not_if_in_line_comment.jst.parsed b/tests/parser/jst_parser_include_not_if_in_line_comment.jst.parsed
index e67c6a9..aa286b3 100644
--- a/tests/parser/jst_parser_include_not_if_in_line_comment.jst.parsed
+++ b/tests/parser/jst_parser_include_not_if_in_line_comment.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_include_once.jst.parsed b/tests/parser/jst_parser_include_once.jst.parsed
index 1fc095a..acfe819 100644
--- a/tests/parser/jst_parser_include_once.jst.parsed
+++ b/tests/parser/jst_parser_include_once.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_include_runtime.jst.parsed b/tests/parser/jst_parser_include_runtime.jst.parsed
index 8fe54b7..4fb19b1 100644
--- a/tests/parser/jst_parser_include_runtime.jst.parsed
+++ b/tests/parser/jst_parser_include_runtime.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_include_unknown.jst.parsed b/tests/parser/jst_parser_include_unknown.jst.parsed
index bbef194..909f8b5 100644
--- a/tests/parser/jst_parser_include_unknown.jst.parsed
+++ b/tests/parser/jst_parser_include_unknown.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_line_feeds.jst.parsed b/tests/parser/jst_parser_line_feeds.jst.parsed
index 5e47d3b..41d02e3 100644
--- a/tests/parser/jst_parser_line_feeds.jst.parsed
+++ b/tests/parser/jst_parser_line_feeds.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_single_quotes.jst.parsed b/tests/parser/jst_parser_single_quotes.jst.parsed
index dbe0f15..153541e 100644
--- a/tests/parser/jst_parser_single_quotes.jst.parsed
+++ b/tests/parser/jst_parser_single_quotes.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_skip_whitespace.jst.parsed b/tests/parser/jst_parser_skip_whitespace.jst.parsed
index b9cb53a..7a1b138 100644
--- a/tests/parser/jst_parser_skip_whitespace.jst.parsed
+++ b/tests/parser/jst_parser_skip_whitespace.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_template_block_content.jst.parsed b/tests/parser/jst_parser_template_block_content.jst.parsed
index 38b006e..a94cf89 100644
--- a/tests/parser/jst_parser_template_block_content.jst.parsed
+++ b/tests/parser/jst_parser_template_block_content.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_parser_template_block_string.jst.parsed b/tests/parser/jst_parser_template_block_string.jst.parsed
index 56b1f2a..ec10868 100644
--- a/tests/parser/jst_parser_template_block_string.jst.parsed
+++ b/tests/parser/jst_parser_template_block_string.jst.parsed
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -281,12 +281,12 @@ $_GET= (function ()
   if(qs)
   {
     var ar = qs.split('&');
-    for(var i=0; i<ar.length; ++i)
+    for(var i=0;i<ar.length;++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser/jst_prefix.js b/tests/parser/jst_prefix.js
index 7934fe6..412fc0d 100644
--- a/tests/parser/jst_prefix.js
+++ b/tests/parser/jst_prefix.js
@@ -228,11 +228,11 @@ if(postData)
   var postValues = postData.split('&');
   for(var i = 0; i < postValues.length; ++i)
   {
-    var postValue = postValues[i].split('=');
-    if(postValue.length == 2)
+    var eqIdx = postValues[i].indexOf('=');
+    if(eqIdx != -1)
     {
-      var value = postValue[1].replace(/[+]/g," ");
-      $_POST[postValue[0]] = decodeURIComponent(value);
+      var value = postValues[i].substring(eqIdx + 1).replace(/[+]/g," ");
+      $_POST[postValues[i].substring(0, eqIdx)] = decodeURIComponent(value);
     }
     else
     {
@@ -254,17 +254,17 @@ if(filesData)
     var fileId = null;
     for(var j = 0; j < fileData.length; ++j)
     {
-      var fileValue = fileData[j].split('=');
-      if(fileValue.length == 2)
+      var eqIdx = fileData[j].indexOf('=');
+      if(eqIdx != -1)
       {
         if(!fileId)
         {
-          fileId = decodeURIComponent(fileValue[1]);
+          fileId = decodeURIComponent(fileData[j].substring(eqIdx + 1));
           $_FILES[fileId]={};
         }
         else
         {
-          $_FILES[fileId][decodeURIComponent(fileValue[0])]=decodeURIComponent(fileValue[1]);
+          $_FILES[fileId][decodeURIComponent(fileData[j].substring(0, eqIdx))]=decodeURIComponent(fileData[j].substring(eqIdx + 1));
         }
       }
       else
@@ -283,10 +283,10 @@ $_GET= (function ()
     var ar = qs.split('&');
     for(var i=0; i<ar.length; ++i)
     {
-      var ar2 = ar[i].split('=');
-      if(ar2.length != 2)
+      var eqIdx = ar[i].indexOf('=');
+      if(eqIdx == -1)
         throw Error("$_GET: Invalid QUERY_STRING");
-      out[ar2[0]] = ar2[1];
+      out[ar[i].substring(0, eqIdx)] = ar[i].substring(eqIdx + 1);
     }
   }
   return out;
diff --git a/tests/parser_test.cpp b/tests/parser_test.cpp
index 92b21ce..143c5f2 100644
--- a/tests/parser_test.cpp
+++ b/tests/parser_test.cpp
@@ -173,6 +173,20 @@ static duk_ret_t test_no_post_data(duk_context* ctx)
   return 1;
 }
 
+static duk_ret_t test_post_data(duk_context* ctx)
+{
+  duk_get_global_string(ctx, "__test_post_data");
+  return 1;
+}
+
+static duk_ret_t test_files_data(duk_context* ctx)
+{
+  duk_get_global_string(ctx, "__test_files_data");
+  return 1;
+}
+
+static void evaluateSessionPrefix(duk_context* ctx);
+
 static void installSessionPrefixDependencies(duk_context* ctx)
 {
   duk_push_c_function(ctx, ccsp_session_module_open, 0);
@@ -192,6 +206,34 @@ static void installSessionPrefixDependencies(duk_context* ctx)
   duk_put_global_string(ctx, "ccsp_post");
 }
 
+static void evaluatePrefixWithRequestData(duk_context* ctx,
+                                          const char* post_data,
+                                          const char* files_data)
+{
+  duk_push_c_function(ctx, ccsp_session_module_open, 0);
+  ASSERT_EQ(duk_pcall(ctx, 0), DUK_EXEC_SUCCESS);
+  duk_put_global_string(ctx, "ccsp_session");
+
+  duk_push_object(ctx);
+  duk_push_c_function(ctx, test_getenv, 1);
+  duk_put_prop_string(ctx, -2, "getenv");
+  duk_put_global_string(ctx, "ccsp");
+
+  duk_push_string(ctx, post_data);
+  duk_put_global_string(ctx, "__test_post_data");
+  duk_push_string(ctx, files_data);
+  duk_put_global_string(ctx, "__test_files_data");
+
+  duk_push_object(ctx);
+  duk_push_c_function(ctx, test_post_data, 0);
+  duk_put_prop_string(ctx, -2, "getPost");
+  duk_push_c_function(ctx, test_files_data, 0);
+  duk_put_prop_string(ctx, -2, "getFiles");
+  duk_put_global_string(ctx, "ccsp_post");
+
+  evaluateSessionPrefix(ctx);
+}
+
 static void evaluateSessionPrefix(duk_context* ctx)
 {
   std::ifstream prefix_file(JST_PREFIX_PATH);
@@ -297,6 +339,23 @@ TEST(general, parser) {
   }
 }
 
+TEST(general, prefix_preserves_equals_signs_in_request_values)
+{
+  EnvVarGuard query_string_guard("QUERY_STRING");
+  query_string_guard.set("mac_ssid==2");
+
+  duk_context* ctx = duk_create_heap_default();
+  ASSERT_NE(ctx, nullptr);
+  evaluatePrefixWithRequestData(ctx, "token=abc%3D%3D",
+      "id=file1&name=config%3Dbackup&type=application%2Foctet-stream");
+
+  EXPECT_TRUE(evaluateJavaScriptBoolean(ctx,
+      "$_GET.mac_ssid === '=2' && $_POST.token === 'abc==' && "
+      "$_FILES.file1.name === 'config=backup'"));
+
+  duk_destroy_heap(ctx);
+}
+
 TEST(general, session_create_multiple_calls_succeed)
 {
   duk_context* ctx = duk_create_heap_default();