{"id":"CVE-2026-109344","revision":"527c079567e84648b1181b995c88049d","records":[{"revision":"527c079567e84648b1181b995c88049d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-109344","aliases":[],"title":"DOMPurify from 3.4.13 before 3.4.16 DOM XSS via IN_PLACE afterSanitize Hooks","description":"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.","state":0,"publishedAt":"2026-10-12T16:05:29.221+00:00","modifiedAt":"2026-10-13T16:53:48.747+00:00","affected":[{"ecosystem":"Vendor product","name":"DOMPurify","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"cure53\",\n                    \"product\": \"DOMPurify\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:npm/dompurify\",\n                    \"versions\": [\n                        {\n                            \"version\": \"3.4.13\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.4.16\"\n                        },\n                        {\n                            \"version\": \"3.4.16\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","score":5.1,"severity":"MEDIUM"},{"system":"CVSS 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,"severity":"MEDIUM"}],"references":["https://github.com/cure53/DOMPurify/security/advisories/GHSA-p98j-92pf-mc4p","https://www.vulncheck.com/advisories/dompurify-from-3.4.13-before-3.4.16-dom-xss-via-in-place-aftersanitize-hooks"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109344","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-109344","identifiers":["CVE-2026-109344"]},"retained":false,"historicalAffected":[]}],"coverage":[]}