{"schema":"threatline.record/2","record":{"id":"CVE-2026-100645","aliases":["GHSA-556j-q8c8-qqg3"],"summary":"SiYuan 3.7.0 before 3.8.4 Stored XSS via Gallery Kanban","details":"SiYuan versions 3.7.0 before 3.8.4 contain a stored cross-site scripting vulnerability in gallery and kanban database renderers where field descriptions are not escaped in aria-label attributes. In the Electron desktop app with nodeIntegration enabled, attackers can inject JavaScript that calls Node.js child_process APIs to execute arbitrary commands with user privileges.","categories":["Unclassified"],"product":"siyuan","vendor":"siyuan-note","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100645","source_modified_at":"2026-10-08T15:51:27.580Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"siyuan","vendor":"siyuan-note","versions":[{"version":"3.7.0","status":"affected","versionType":"semver","lessThan":"3.8.4"},{"version":"3.8.4","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100645","source_modified_at":"2026-10-08T15:51:27.580Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"siyuan","ecosystem":null},"version":"3.8.4","basis":"first unaffected version stated in the CVE record"}],"cvss":8.6,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00351,"percentile":0.27556,"score_date":"2026-10-23"},"published_at":"2026-09-26T13:23:16.770Z","modified_at":"2026-10-08T15:51:27.580Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-100645","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-08T15:51:27.580Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-100645","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-556j-q8c8-qqg3","tags":["exploit"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/siyuan-3.7.0-before-3.8.4-stored-xss-via-gallery-kanban","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"total","assessed_at":"2026-10-02T17:55:16.020546Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-08T15:51:27.580Z","content_hash":"4bbd0d60e4fea914a170b8200e580435ed3e38ba715ab70e610847a9d2b159b8"}}