{"schema":"threatline.record/2","record":{"id":"CVE-2026-109344","aliases":["GHSA-p98j-92pf-mc4p"],"summary":"DOMPurify from 3.4.13 before 3.4.16 DOM XSS via IN_PLACE afterSanitize Hooks","details":"DOMPurify from 3.4.13 before 3.4.16 contains a cross-site scripting vulnerability because IN_PLACE mode fails to neutralize subtrees detached by afterSanitizeElements or afterSanitizeAttributes hooks. Attackers can supply markup with on* handlers inside a wrapper removed by such hooks, leaving handlers armed on the live DOM to execute script in the victim origin.","categories":["Libraries & packages"],"product":"DOMPurify","vendor":"cure53","ecosystem":"npm","affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109344","source_modified_at":"2026-10-13T16:53:48.747Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"DOMPurify","vendor":"cure53","versions":[{"version":"3.4.13","status":"affected","versionType":"semver","lessThan":"3.4.16"},{"version":"3.4.16","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-p98j-92pf-mc4p","source_modified_at":"2026-10-13T02:56:22.039126210Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"ecosystem":"npm","name":"dompurify","purl":"pkg:npm/dompurify"},"ranges":[{"events":[{"introduced":"3.4.13"},{"fixed":"3.4.16"}],"type":"SEMVER"}],"versions":[]}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109344","source_modified_at":"2026-10-13T16:53:48.747Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"DOMPurify","ecosystem":null},"version":"3.4.16","basis":"first unaffected version stated in the CVE record"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-p98j-92pf-mc4p","source_modified_at":"2026-10-13T02:56:22.039126210Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"ecosystem":"npm","name":"dompurify","purl":"pkg:npm/dompurify"},"version":"3.4.16"}],"cvss":5.1,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00188,"percentile":0.08,"score_date":"2026-10-23"},"published_at":"2026-10-12T16:05:29.221Z","modified_at":"2026-10-13T16:53:48.747Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-109344","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-13T16:53:48.747Z"},{"source":"OSV","url":"https://osv.dev/vulnerability/GHSA-p98j-92pf-mc4p","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-13T02:56:22.039126210Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-109344","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","OSV","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/cure53/DOMPurify/security/advisories/GHSA-p98j-92pf-mc4p","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/dompurify-from-3.4.13-before-3.4.16-dom-xss-via-in-place-aftersanitize-hooks","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-13T16:22:10.525306Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"ecosystem","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-13T16:53:48.747Z","content_hash":"97c3a40353b82f8c6c422ccbbce759b69ca4fcdced575697811256cf21a939f5"}}