Publish Advisories

GHSA-44jg-mv3h-wj6g
GHSA-rwr8-xrpw-9qf5

Author: advisory-database[bot]

advisories/github-reviewed/2026/01/GHSA-44jg-mv3h-wj6g/GHSA-44jg-mv3h-wj6g.json

@@ -0,0 +1,63 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-44jg-mv3h-wj6g",
+  "modified": "2026-01-15T22:40:42Z",
+  "published": "2026-01-15T22:40:42Z",
+  "aliases": [],
+  "summary": "solspace/craft-freeform Vulnerable to XSS in `PhpSpreadsheet` HTML Writer Due to Unsanitized Styling Data",
+  "details": "### Summary\n_Short summary of the problem. Make the impact and severity as clear as possible. For example: An unsafe deserialization vulnerability allows any unauthenticated user to execute arbitrary code on the server._\n\n\\PhpOffice\\PhpSpreadsheet\\Writer\\Html doesn't sanitize spreadsheet styling information such as font names, allowing an attacker to inject arbitrary JavaScript on the page.\n\n### Details\n_Give all details on the vulnerability. Pointing to the incriminated source code is very helpful for the maintainer._\n\nSee https://github.com/advisories/GHSA-wgmf-q9vr-vww6\n\n### PoC\n_Complete instructions, including specific configuration details, to reproduce the vulnerability._\n\nExample target script:\n\n```\n<?php\n\nrequire 'vendor/autoload.php';\n\n$reader = \\PhpOffice\\PhpSpreadsheet\\IOFactory::createReader(\"Xlsx\");\n$spreadsheet = $reader->load(__DIR__ . '/book.xlsx');\n\n$writer = new \\PhpOffice\\PhpSpreadsheet\\Writer\\Html($spreadsheet);\nprint($writer->generateHTMLAll());\n```\n\nSave this file in the same directory:\n\n[book.xlsx](https://github.com/PHPOffice/PhpSpreadsheet/files/15212797/book.xlsx)\n\nOpen index.php in a web browser. An alert should be displayed.\n\n### Impact\n_What kind of vulnerability is it? Who is impacted?_\n\nFull takeover of the session of users viewing spreadsheet files as HTML.",
+  "severity": [
+    {
+      "type": "CVSS_V4",
+      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "Packagist",
+        "name": "solspace/craft-freeform"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "4.1.23"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "WEB",
+      "url": "https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-wgmf-q9vr-vww6"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/solspace/craft-freeform/security/advisories/GHSA-44jg-mv3h-wj6g"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/solspace/craft-freeform"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/solspace/craft-freeform/releases/tag/v4.1.23"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-79"
+    ],
+    "severity": "LOW",
+    "github_reviewed": true,
+    "github_reviewed_at": "2026-01-15T22:40:42Z",
+    "nvd_published_at": null
+  }
+}

advisories/github-reviewed/2026/01/GHSA-rwr8-xrpw-9qf5/GHSA-rwr8-xrpw-9qf5.json

@@ -0,0 +1,67 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-rwr8-xrpw-9qf5",
+  "modified": "2026-01-15T22:41:39Z",
+  "published": "2026-01-15T22:41:39Z",
+  "aliases": [],
+  "summary": "solspace/craft-freeform Exposed to Known Axios Vulnerabilities via Precompiled Assets",
+  "details": "### Summary\nThe latest versions of both 4.x and 5.x are using Axios versions < 1.7.5 and as such are subject to known vulnerabilities as per: https://security.snyk.io/package/npm/axios\n\n### Details\nWe've had this flagged up in a pen test, which indicates the issue stems from this script: /freeform/plugin.js. I couldn't see any reference to vulnerable axios versions in your package.json files, but noticed some precompiled files in packages/plugin so I'm assuming those are where the issue lies.",
+  "severity": [],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "Packagist",
+        "name": "solspace/craft-freeform"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "4.1.22"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "Packagist",
+        "name": "solspace/craft-freeform"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "5.0.0-beta.1"
+            },
+            {
+              "fixed": "5.5.9"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "WEB",
+      "url": "https://github.com/solspace/craft-freeform/security/advisories/GHSA-rwr8-xrpw-9qf5"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/solspace/craft-freeform"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [],
+    "severity": "LOW",
+    "github_reviewed": true,
+    "github_reviewed_at": "2026-01-15T22:41:39Z",
+    "nvd_published_at": null
+  }
+}