CVE-2026-65901 DOMPurify 3.4.6 Cross-Site Scripting via IN_PLACE nodeName

DOMPurify through 3.4.6 contains a cross-site scripting vulnerability in INPLACE mode that trusts attacker-controlled nodeName on live non-form nodes. Attackers can supply hostile live DOM objects with real script children whose observable nodeName is clobbered to appear as allowed elements,...

EUVD-2026-48270

DOMPurify through 3.4.6 contains a cross-site scripting vulnerability in INPLACE mode that trusts attacker-controlled nodeName on live non-form nodes. Attackers can supply hostile live DOM objects with real script children whose observable nodeName is clobbered to appear as allowed elements,...

DOMPurify: `IN_PLACE` mode trusts attacker-controlled `nodeName` on live non-form nodes, allowing script retention and XSS via attacker-supplied DOM objects

Summary When DOMPurify.sanitizeroot, INPLACE: true is called on an attacker-supplied live DOM node, DOMPurify still trusts currentNode.nodeName for non-form nodes in the main sanitizeElements pipeline. A real child node whose observable nodeName is attacker-controlled can therefore be misclassifi...

PT-2026-63987

Name of the Vulnerable Software and Affected Versions DOMPurify versions prior to 3.4.7 Description A cross-site scripting issue exists when using IN PLACE mode. The software trusts the nodeName of live non-form nodes, which can be controlled by an attacker. By providing hostile live DOM objects...