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CVE-2026-65912

DOMPurify before 3.3.2 URI Validation Bypass via ADD_ATTR PUBLISHED

Description (CNA)

DOMPurify before 3.3.2 contains a URI validation bypass vulnerability when ADD_ATTR is provided as a predicate function via EXTRA_ELEMENT_HANDLING.attributeCheck. Attackers can supply a predicate that accepts specific attribute and tag combinations to bypass URI-safe validation, allowing unsafe protocols like javascript: to survive sanitization and execute as DOM-based XSS when the link is activated.

Affected (CNA)

Vendor / productVersions
cure53 / DOMPurifyaffected 0 before 3.3.2; unaffected 3.3.2

CWE

CWE-79

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.