What is GHSA-59fh-8xxf-p69h?

GHSA-59fh-8xxf-p69h is a security advisory published by GitHub Security Advisories with Medium severity. DOMPurify from 3.4.13 before 3.4.16 contains a cross-site scripting vulnerability because...

Which CVE IDs does GHSA-59fh-8xxf-p69h cover?

GHSA-59fh-8xxf-p69h covers the following CVE IDs: CVE-2026-109344. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-59fh-8xxf-p69h?

GHSA-59fh-8xxf-p69h has a CVSS v3 base score of 6.1, published by GitHub Security Advisories.

GHSA-59fh-8xxf-p69hMediumCVSS 6.1

DOMPurify from 3.4.13 before 3.4.16 contains a cross-site scripting vulnerability because...

Vendor

GitHub Security Advisories

Published

October 12, 2026

Last Modified

October 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-109344 →

📋 Description

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 (4)

https://github.com/cure53/DOMPurify/security/advisories/GHSA-p98j-92pf-mc4p
https://nvd.nist.gov/vuln/detail/CVE-2026-109344
https://www.vulncheck.com/advisories/dompurify-from-3.4.13-before-3.4.16-dom-xss-via-in-place-aftersanitize-hooks
https://github.com/advisories/GHSA-59fh-8xxf-p69h