{"schema":"threatline.record/2","record":{"id":"CVE-2026-116167","aliases":["GHSA-fmj3-xc2f-6w4w"],"summary":"SiYuan 2.9.0 before 3.8.7 XSS via check-auth to Parameter","details":"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.","categories":["Unclassified"],"product":"siyuan","vendor":"siyuan-note","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116167","source_modified_at":"2026-10-25T13:20:10.372Z","fetched_at":"2026-10-25T16:01:37.004770Z","product":"siyuan","vendor":"siyuan-note","versions":[{"version":"2.9.0","status":"affected","versionType":"semver","lessThan":"3.8.7"},{"version":"3.8.7","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116167","source_modified_at":"2026-10-25T13:20:10.372Z","fetched_at":"2026-10-25T16:01:37.004770Z","package":{"name":"siyuan","ecosystem":null},"version":"3.8.7","basis":"first unaffected version stated in the CVE record"}],"cvss":7.6,"severity":"High","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-25T13:20:10.372Z","modified_at":"2026-10-25T13:20:10.372Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-116167","fetched_at":"2026-10-25T16:01:37.004770Z","source_modified_at":"2026-10-25T13:20:10.372Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-fmj3-xc2f-6w4w","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/siyuan-2.9.0-before-3.8.7-xss-via-check-auth-to-parameter","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-25T13:20:10.372Z","content_hash":"86d247f730d0a27cbb8987437a2ba2a299ec7cbf2a1f46833c76def0c76acaa3"}}