node-dompurify: DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG
CVE-2026-47423 is fixed in node-dompurify on 1 platform by DEBIAN-CVE-2026-47423 (version 3.4.5+dfsg-1), released July 18, 2026. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| node-dompurify · Debian 14 | 3.4.5+dfsg-1 | DEBIAN-CVE-2026-47423 | Jul 18, 2026 |
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