CVE-2026-41239
6.8
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Summary
DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Starting in version 1.0.10 and prior to version 3.4.0, SAFE_FOR_TEMPLATES strips {{...}} expressions from untrusted HTML. This works in string mode but not with RETURN_DOM or RETURN_DOM_FRAGMENT, allowing XSS via template-evaluating frameworks like Vue 2. Version 3.4.0 patches the issue.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| cure53 | DOMPurify | >= 1.0.10, < 3.4.0 | affected |
Weaknesses
- CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- CWE-1289: CWE-1289: Improper Validation of Unsafe Equivalence in Input
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://github.com/cure53/DOMPurify/security/advisories/GHSA-crv5-9vww-q3g8
- https://github.com/cure53/DOMPurify/releases/tag/3.4.0
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