CVE-2026-109345

A flaw was found in DOMPurify. This vulnerability allows a remote attacker to conduct cross-site scripting XSS attacks by bypassing HTML sanitization when the library operates in in-place mode. When processing raw text elements containing embedded markup, the library removes the element but fails...

PT-2026-110761

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...

SUSE CVE-2026-65901

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,...

SUSE CVE-2026-65904

DOMPurify through 3.3.3 fails to sanitize DOM elements passed via INPLACE mode when the element originates from a different window/realm e.g., an iframe's contentDocument. A cross-realm instanceof check in the private isNode function returns false for foreign-realm nodes, causing DOMPurify to...

Cross Site Scripting

DOMPurify is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to improper handling of cross-realm DOM elements in INPLACE mode, where elements from a different window or iframe bypass sanitization, allowing attackers to preserve and execute malicious JavaScript...

Linux Distros Unpatched Vulnerability : CVE-2026-65901

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Improper Check for Unusual or Exceptional Conditions

Overview dompurify is a DOM-only XSS sanitizer for HTML, MathML and SVG. Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions in the INPLACE process when DOM elements are passed from a different window or realm, such as an iframe's...

CVE-2026-65904 DOMPurify through 3.3.3 Cross-Site Scripting via IN_PLACE mode

DOMPurify through 3.3.3 fails to sanitize DOM elements passed via INPLACE mode when the element originates from a different window/realm e.g., an iframe's contentDocument. A cross-realm instanceof check in the private isNode function returns false for foreign-realm nodes, causing DOMPurify to...

CVE-2026-65904 DOMPurify through 3.3.3 Cross-Site Scripting via IN_PLACE mode

DOMPurify through 3.3.3 fails to sanitize DOM elements passed via INPLACE mode when the element originates from a different window/realm e.g., an iframe's contentDocument. A cross-realm instanceof check in the private isNode function returns false for foreign-realm nodes, causing DOMPurify to...

CVE-2026-65904

DOMPurify through 3.3.3 fails to sanitize DOM elements passed via INPLACE mode when the element originates from a different window/realm e.g., an iframe's contentDocument. A cross-realm instanceof check in the private isNode function returns false for foreign-realm nodes, causing DOMPurify to...

EUVD-2026-48273

DOMPurify through 3.3.3 fails to sanitize DOM elements passed via INPLACE mode when the element originates from a different window/realm e.g., an iframe's contentDocument. A cross-realm instanceof check in the private isNode function returns false for foreign-realm nodes, causing DOMPurify to...

CVE-2026-65904

CVE-2026-65904 affects DOMPurify up to version 3.4.3. In IN_PLACE mode, elements sourced from a different window/realm (e.g., iframe contentDocument) fail sanitization due to a cross-realm instanceof check in private _isNode(). The check returns false for foreign-realm nodes, causing the element ...

CVE-2026-65904 DOMPurify through 3.3.3 Cross-Site Scripting via IN_PLACE mode

DOMPurify through 3.3.3 fails to sanitize DOM elements passed via INPLACE mode when the element originates from a different window/realm e.g., an iframe's contentDocument. A cross-realm instanceof check in the private isNode function returns false for foreign-realm nodes, causing DOMPurify to...

CVE-2026-65901

DOMPurify 3.4.6 has a cross-site scripting vulnerability in IN_PLACE mode where attacker-controlled nodeName on live non-form nodes can cause scripts to execute when the sanitized tree is inserted into a live document. Attackers can supply hostile live DOM objects with real script children whose ...

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,...

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,...

CVE-2026-65901

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,...

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,...

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,...

PT-2026-63990

Name of the Vulnerable Software and Affected Versions DOMPurify versions 3.0.0 through 3.3.3 Description When using the IN PLACE mode, the software fails to sanitize DOM elements that originate from a different window or realm, such as an iframe's contentDocument. This occurs because a cross-real...