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CVE-2026-47423

DOMPurify XSS via `selectedcontent` re-clone PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
cure53 / DOMPurifyaffected >= 3.4.4, < 3.4.5

CWE

CWE-79

References

ADP enrichment

CISA-ADP

No English description supplied.