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VULNERABILITIES

CVE-2026-65901 Details

Description

DOMPurify through 3.4.6 contains a cross-site scripting vulnerability in IN_PLACE 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, causing scripts to execute when the sanitized tree is inserted into a live document.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/cure53/DOMPurify/security/advisories/GHSA-x4vx-rjvf-j5p4 CISA-ADPExploitThird Party Advisory
https://github.com/cure53/DOMPurify/security/advisories/GHSA-x4vx-rjvf-j5p4 [email protected]ExploitThird Party Advisory
https://www.vulncheck.com/advisories/dompurify-cross-site-scripting-via-in-place-nodename [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

ProductVersions
cure53 dompurify
< 3.4.7

CPE

  • cpe:2.3:a:cure53:dompurify:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-65901
NVD Published Date:
Jul 23, 2026
NVD Last Modified:
Jul 28, 2026
Source:
[email protected]
CVE-2026-65901 Details - Not Deferred