CVE-2026-65912 — DOMPurify before 3.3.2 URI Validation Bypass via ADD_ATTR
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 …
Published: 2026-07-23 · CVSS: 5.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7