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DOMPurify before 3.4.0 ADD_TAGS Function Bypasses FORBID_TAGS

Collected exploitation and prediction evidence

Risk source coverage

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

Dated risk observations

Risk history is separate from CNA/OSV content history. Daily score drift is retained but only an upward crossing of 10% triggers the prediction change event.

Immutable source observations

3 recorded revisions

Each citation identifies one complete source statement. Source modification dates and the time this installation observed them are distinct. Latest history includes records historically associated by source identifiers; a removed alias is not a current equivalence claim. Exact citations show that source record's own earlier observations. Failed reads and unchanged polls do not rewrite history.

25 Oct 2026 15:18:51 UTC

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 ad…

nvd · CVE-2026-65903 · Published

24 Oct 2026 13:17:17 UTC

DOMPurify's ADD_TAGS function form bypasses FORBID_TAGS due to short-circuit evaluation

osv · GHSA-39q2-94rc-95cp · Published

23 Oct 2026 15:48:27 UTC

DOMPurify before 3.4.0 ADD_TAGS Function Bypasses FORBID_TAGS

cve-program · CVE-2026-65903 · Published

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 26 Oct 05:31 UTC · 271 of 271 readable · 269 fully read · documentation 464/464 current