{"id":"CVE-2026-65912","revision":"bb9185ee000c4db696999296cab35dc7","records":[{"revision":"bb9185ee000c4db696999296cab35dc7","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-65912","aliases":[],"title":"DOMPurify before 3.3.2 URI Validation Bypass via ADD_ATTR","description":"DOMPurify before 3.3.2 contains a URI validation bypass vulnerability when ADD_ATTR is provided as a predicate function via EXTRA_ELEMENT_HANDLING.attributeCheck. Attackers can supply a predicate that accepts specific attribute and tag combinations to bypass URI-safe validation, allowing unsafe protocols like javascript: to survive sanitization and execute as DOM-based XSS when the link is activated.","state":0,"publishedAt":"2026-07-23T13:16:23.406+00:00","modifiedAt":"2026-07-23T15:46:09.055+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\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.3.2\"\n                        },\n                        {\n                            \"version\": \"3.3.2\",\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-cjmm-f4jc-qw8r","https://www.vulncheck.com/advisories/dompurify-before-uri-validation-bypass-via-add-attr"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-65912","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-65912","identifiers":["CVE-2026-65912"]},"retained":false,"historicalAffected":[]}],"coverage":[]}