CVE-2026-47423

HIGH SEVERITY

CVSS Score & Metrics

Base Score

8.2 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N                                    

Vulnerability 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.

Vulnerability Details

Published Date

June 01, 2026

Last Modified

July 15, 2026

CWE ID

CWE-79

Source

GitHub

Vendor

npm

Product

dompurify

External References

https://github.com/cure53/DOMPurify/security/advisories/GHSA-87xg-pxx2-7hvx
https://github.com/advisories/GHSA-87xg-pxx2-7hvx

CVE-2026-47423

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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