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VULNERABILITIES

CVE-2026-47423 Details

Description

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside <selectedcontent> is returned. This issue is fixed in version 3.4.5.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.2 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/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-87xg-pxx2-7hvx CISA-ADPExploitVendor Advisory
https://github.com/cure53/DOMPurify/commit/011b0c78f2a0f57ee54f5fcccb697a46ca6e63ea [email protected]Patch
https://github.com/cure53/DOMPurify/releases/tag/3.4.5 [email protected]Release Notes
https://github.com/cure53/DOMPurify/security/advisories/GHSA-87xg-pxx2-7hvx [email protected]ExploitVendor 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
3.4.4

CPE

  • cpe:2.3:a:cure53:dompurify:3.4.4:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-47423
NVD Published Date:
Jul 14, 2026
NVD Last Modified:
Jul 21, 2026
Source:
[email protected]
CVE-2026-47423 Details - Not Deferred