EUVD-2026-48272

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...

PT-2026-63989

Name of the Vulnerable Software and Affected Versions DOMPurify versions prior to 3.4.0 Description A logic error exists in the ADD TAGS function where short-circuit evaluation allows tags listed in FORBID TAGS to bypass restrictions. This occurs when tags are simultaneously listed in both FORBID...