Unrated severityNVD Advisory· Published Jul 24, 2026
Debian node-dompurify: DOMPurify before 3.4.0 contains a logic error in the ADD_TAGS function where sho…
CVE-2026-65903
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.
Affected products
2- Range: <3.4.0
Patches
Vulnerability mechanics
News mentions
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