Publish Advisories

GHSA-5gpr-w2p5-6m37 GHSA-r8w8-74ww-j4wh GHSA-w9xv-qf98-ccq4
2026-05-22 18:04:22 -07:00 · 2024-10-07 15:59:10 +00:00
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+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-r8w8-74ww-j4wh",
+  "modified": "2024-10-07T15:58:25Z",
+  "published": "2024-10-07T15:58:25Z",
+  "aliases": [
+    "CVE-2024-45292"
+  ],
+  "summary": "PhpSpreadsheet HTML writer is vulnerable to Cross-Site Scripting via JavaScript hyperlinks",
+  "details": "### Summary\n`\\PhpOffice\\PhpSpreadsheet\\Writer\\Html` does not sanitize \"javascript:\" URLs from hyperlink `href` attributes, resulting in a Cross-Site Scripting vulnerability.\n\n### PoC\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[book.xlsx](https://github.com/PHPOffice/PhpSpreadsheet/files/15099763/book.xlsx)\n\nOpen index.php in a web browser and click on both links. The first demonstrates the vulnerability in a regular hyperlink and the second in a HYPERLINK() formula.\n",
+  "severity": [
+    {
+      "type": "CVSS_V3",
+      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
+    },
+    {
+      "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"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "Packagist",
+        "name": "phpoffice/phpspreadsheet"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "2.2.0"
+            },
+            {
+              "fixed": "2.3.0"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "Packagist",
+        "name": "phpoffice/phpspreadsheet"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "1.29.2"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "Packagist",
+        "name": "phpoffice/phpspreadsheet"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "2.0.0"
+            },
+            {
+              "fixed": "2.1.1"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "WEB",
+      "url": "https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-r8w8-74ww-j4wh"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/392dd08c5569b623060784e1333454d64df1f03d"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/8b9b378ecdc603234a34aab3b293d2cdc8e9210e"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/PHPOffice/PhpSpreadsheet/commit/f0b70ed1086348904b27772b264e1605ba6c1d6d"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/PHPOffice/PhpSpreadsheet"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-79"
+    ],
+    "severity": "MODERATE",
+    "github_reviewed": true,
+    "github_reviewed_at": "2024-10-07T15:58:25Z",
+    "nvd_published_at": null
+  }
+}