CVE-2026-65903 DOMPurify before 3.4.0 ADD_TAGS Function Bypasses FORBID_TAGS

DOMPurify before 3.4.0 contains a logic error in the ADDTAGS function where short-circuit evaluation allows forbidden tags to bypass FORBIDTAGS restrictions. Attackers can craft input containing tags listed in FORBIDTAGS that are also added via ADDTAGS function, causing them to be retained in...