Security Advisory
CVE-2026-47423
8.2
HIGH
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 is returned. This issue is fixed in version 3.4.5.
Published Date
July 14, 2026
Official Source
NIST NVD Advisory