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DOMPurify Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2026-47423 - Vulnerability Database
DOMPurify

DOMPurify Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2026-47423

High
Reference: CVE-2026-47423
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2026-47423
Title: DOMPurify Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability
Overview:

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 ltselectedcontentgt is returned. This issue is fixed in version 3.4.5.