CVE-2026-47423

Description

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside <selectedcontent> is returned. This issue is fixed in version 3.4.5.

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Produits concernés

• cure53 DOMPurify

Scores CVSS

Faiblesses (CWE)

• CWE-79

Références

• https://github.com/cure53/DOMPurify/commit/011b0c78f2a0f57ee54f5fcccb697a46ca6e63ea Patch
• https://github.com/cure53/DOMPurify/releases/tag/3.4.5 Release Notes
• https://github.com/cure53/DOMPurify/security/advisories/GHSA-87xg-pxx2-7hvx ExploitVendor Advisory
• https://github.com/cure53/DOMPurify/security/advisories/GHSA-87xg-pxx2-7hvx ExploitVendor Advisory

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories