Security Advisory
CVE-2026-65903
6.1
MEDIUM
Vulnerability Description
DOMPurify before 3.4.0 contains a logic error in the ADD_TAGS function where short-circuit evaluation allows forbidden tags to bypass FORBID_TAGS restrictions. Attackers can craft input containing tags listed in FORBID_TAGS that are also added via ADD_TAGS function, causing them to be retained in sanitized output.
Published Date
July 23, 2026
Official Source
NIST NVD Advisory