{"id":"CVE-2026-116167","revision":"bb080cb77fe1418e88da0ac98a56997a","records":[{"revision":"bb080cb77fe1418e88da0ac98a56997a","observedAt":"2026-10-25T15:17:04.459+00:00","statement":{"source":"cve-program","id":"CVE-2026-116167","aliases":[],"title":"SiYuan 2.9.0 before 3.8.7 XSS via check-auth to Parameter","description":"SiYuan from 2.9.0 before 3.8.7 contains a cross-site scripting vulnerability in the unauthenticated /check-auth page that assigns the to parameter to window.location.href without scheme validation. Attackers can send a crafted link with a javascript: URI that executes after victim login, invoking kernel APIs to read or modify workspace content and settings.","state":0,"publishedAt":"2026-10-25T13:20:10.372+00:00","modifiedAt":"2026-10-25T13:20:10.372+00:00","affected":[{"ecosystem":"Vendor product","name":"siyuan","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"siyuan-note\",\n                    \"product\": \"siyuan\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"2.9.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.8.7\"\n                        },\n                        {\n                            \"version\": \"3.8.7\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":7.6,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","score":6.8,"severity":"MEDIUM"}],"references":["https://github.com/siyuan-note/siyuan/security/advisories/GHSA-fmj3-xc2f-6w4w","https://www.vulncheck.com/advisories/siyuan-2.9.0-before-3.8.7-xss-via-check-auth-to-parameter"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116167","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-116167","identifiers":["CVE-2026-116167"]},"retained":false,"historicalAffected":[]}],"coverage":[]}