MEDIUM 5.1 NVD
CVE-2026-109344
DOMPurify from 3.4.13 before 3.4.16 contains a cross-site scripting vulnerability because IN_PLACE mode fails to neutralize subtrees detached by afterSanitizeEl
DOMPurify from 3.4.13 before 3.4.16 contains a cross-site scripting vulnerability because IN_PLACE mode fails to neutralize subtrees detached by afterSanitizeElements or afterSanitizeAttributes hooks. Attackers can supply markup with on* handlers inside a wrapper removed by such hooks, leaving handlers armed on the live DOM to execute script in the victim origin.
References
- https://github.com/cure53/DOMPurify/security/advisories/GHSA-p98j-92pf-mc4p
- https://www.vulncheck.com/advisories/dompurify-from-3.4.13-before-3.4.16-dom-xss-via-in-pl
This medium severity vulnerability with a CVSS score of 5.1 was published on 2026-10-12 via NVD.
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