CVE-2026-65912

DOMPurify before 3.3.2 has a URI validation bypass when ADD_ATTR is used as a predicate via EXTRA_ELEMENT_HANDLING.attributeCheck. An attacker can craft a predicate to accept specific attribute/tag combinations, allowing unsafe protocols like javascript: to bypass validation and execute as DOM-ba...

CVE-2026-41240

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Versions prior to 3.4.0 have an inconsistency between FORBIDTAGS and FORBIDATTR handling when function-based ADDTAGS is used. Commit c361baa added an early exit for FORBIDATTR at line 1214. The same fix was not...

GHSA-H7MW-GPVR-XQ4M DOMPurify: FORBID_TAGS bypassed by function-based ADD_TAGS predicate (asymmetry with FORBID_ATTR fix)

There is an inconsistency between FORBIDTAGS and FORBIDATTR handling when function-based ADDTAGS is used. Commit c361baa added an early exit for FORBIDATTR at line 1214: / FORBIDATTR must always win, even if ADDATTR predicate would allow it / if FORBIDATTRlcName return false; The same fix was not...

CVE-2025-25006

Improper handling of additional special element in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network...