{"cve":"CVE-2026-47423","nvd":{"published":"2026-07-14T20:17:02.143","modified":"2026-10-24T21:10:00.130","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","score":8.2},"cwes":["CWE-79"],"references":["https://github.com/cure53/DOMPurify/commit/011b0c78f2a0f57ee54f5fcccb697a46ca6e63ea","https://github.com/cure53/DOMPurify/releases/tag/3.4.5","https://github.com/cure53/DOMPurify/security/advisories/GHSA-87xg-pxx2-7hvx","https://github.com/cure53/DOMPurify/security/advisories/GHSA-87xg-pxx2-7hvx"],"products":["cure53:dompurify"],"source":"nvd","synced_at":"2026-10-25T17:50:06.907763985+00:00"},"epss":{"cve":"CVE-2026-47423","score":0.0041,"percentile":0.3493,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-87xg-pxx2-7hvx","url":"https://osv.dev/vulnerability/GHSA-87xg-pxx2-7hvx","summary":"DOMPurify XSS via selectedcontent re-clone","modified":"2026-06-01T14:26:26.946773Z","packages":[{"ecosystem":"npm","name":"dompurify","purl":"pkg:npm/dompurify","ranges":[">=3.4.4 <3.4.5"],"fixed":["3.4.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}