{
  "cveId": "CVE-2026-41240",
  "url": "https://patchblox.com/security/cve/CVE-2026-41240",
  "summary": "CVE-2026-41240 is fixed in node-dompurify on 1 platform by DEBIAN-CVE-2026-41240 (version 3.4.1\u002Bdfsg-1), released May 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "node-dompurify: DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG",
  "description": "DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Versions prior to 3.4.0 have an inconsistency between FORBID_TAGS and FORBID_ATTR handling when function-based ADD_TAGS is used. Commit c361baa added an early exit for FORBID_ATTR at line 1214. The same fix was not applied to FORBID_TAGS. At line 1118-1123, when EXTRA_ELEMENT_HANDLING.tagCheck returns true, the short-circuit evaluation skips the FORBID_TAGS check entirely. This allows forbidden elements to survive sanitization with their attributes intact. Version 3.4.0 patches the issue.",
  "published": "2026-04-23T16:16:26Z",
  "severity": "medium",
  "cvss": 6.1,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
  "epss": 0.00313,
  "epssPercentile": 0.24341,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "node-dompurify",
      "release": "Debian 14",
      "fixedVersion": "3.4.1\u002Bdfsg-1",
      "fix": "DEBIAN-CVE-2026-41240",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-41240",
      "released": "2026-05-15T16:01:09Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}