{"cve":"CVE-2026-65914","nvd":{"published":"2026-07-23T14:18:07.057","modified":"2026-10-24T13:10:00.147","status":"Analyzed","description":"DOMPurify before 3.3.2 contains a mutation-XSS vulnerability when sanitized HTML is reinserted into special parsing contexts using innerHTML with wrappers like script, xmp, iframe, noembed, noframes, or noscript. Attackers can craft payloads with closing sequences that break out of the wrapper context during reparsing, reactivating dangerous markup with event handlers to execute JavaScript.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","score":5.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://github.com/cure53/DOMPurify/security/advisories/GHSA-h8r8-wccr-v5f2","https://www.vulncheck.com/advisories/dompurify-before-mutation-xss-via-re-contextualization","https://github.com/cure53/DOMPurify/security/advisories/GHSA-h8r8-wccr-v5f2"],"products":["cure53:dompurify"],"source":"nvd","synced_at":"2026-10-24T16:53:27.712498749+00:00"},"epss":{"cve":"CVE-2026-65914","score":0.00307,"percentile":0.23298,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-h8r8-wccr-v5f2","url":"https://osv.dev/vulnerability/GHSA-h8r8-wccr-v5f2","summary":"DOMPurify is vulnerable to mutation-XSS via Re-Contextualization ","modified":"2026-09-10T03:51:00.386265480Z","packages":[{"ecosystem":"npm","name":"dompurify","purl":"pkg:npm/dompurify","ranges":["<3.3.2"],"fixed":["3.3.2"]}]}],"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."]}