CVE-2026-49459
DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Prior to 3.4.6, DOMPurify.sanitize(root, { IN_PLACE: true
CVSS
6.1
Medium
EPSS
0.3%
p17
KEV
—
Exploit Today
5
0-100
Published: Jul 14, 2026 · Last modified: Jul 15, 2026 · CWE-79 · CWE-693 · CWE-1321
0.3%EPSS · 30 days0.3%
2026-07-152026-07-20
DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Prior to 3.4.6, DOMPurify.sanitize(root, { IN_PLACE: true }) could preserve event-handler attributes on an attacker-controlled <form> root when a descendant name clobbered properties checked by _isClobbered, because _forceRemove no-opped on the parent-less root and _sanitizeAttributes returned early. This issue is fixed in version 3.4.6.
- github.comhttps://github.com/cure53/DOMPurify/commit/bb7739e5bccec7e1ab3dae3f3e42d02db3acaaae
- github.comhttps://github.com/cure53/DOMPurify/releases/tag/3.4.6
- github.comhttps://github.com/cure53/DOMPurify/security/advisories/GHSA-r47g-fvhr-h676
- github.comhttps://github.com/cure53/DOMPurify/security/advisories/GHSA-r47g-fvhr-h676
CVECVSSEPSSKEVRExploitTitleMod.
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