{"id":"CVE-2026-116891","revision":"254c3c7d24ed45b0b1a2fa61a8104693","records":[{"revision":"254c3c7d24ed45b0b1a2fa61a8104693","observedAt":"2026-10-27T12:09:21.929+00:00","statement":{"source":"cve-program","id":"CVE-2026-116891","aliases":[],"title":"SemanticMediaWiki 4.2.0 before 7.2.1 Reflected XSS via Special:FacetedSearch cstate","description":"SemanticMediaWiki from 4.2.0 before 7.2.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject HTML via unescaped cstate parameters in Special:FacetedSearch. Attackers can craft URLs with q, a matching crc32 csum or filtered=1, and cstate values that break out of hidden input attributes to execute script in victims' browsers.","state":0,"publishedAt":"2026-10-27T10:23:39.863+00:00","modifiedAt":"2026-10-27T10:26:51.529+00:00","affected":[{"ecosystem":"Vendor product","name":"SemanticMediaWiki","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"SemanticMediaWiki\",\n                    \"product\": \"SemanticMediaWiki\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"4.2.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"7.2.1\"\n                        },\n                        {\n                            \"version\": \"7.2.1\",\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/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-9rcc-pmj8-ffhr","https://www.vulncheck.com/advisories/semanticmediawiki-4.2.0-before-7.2.1-reflected-xss-via-special-facetedsearch-cstate"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116891","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-116891","identifiers":["CVE-2026-116891"]},"retained":false,"historicalAffected":[]}],"coverage":[]}