{"id":"CVE-2026-92985","title":"SiYuan versions before 3.8.4 fail to escape bookmark labels imported from notebook files when rendering them in the dock tree","summary":"SiYuan versions before 3.8.4 fail to escape bookmark labels imported from notebook files when rendering them in the dock tree. Attackers can craft malicious .sy notebook files with unescaped HTML in bookmark attributes that execute scrip…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-79"],"vendor":"siyuan-note","product":"siyuan","affected":["siyuan < 3.8.4"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T16:18:35.200","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92985","references":[{"url":"https://github.com/siyuan-note/siyuan","label":"disclosure@vulncheck.com"},{"url":"https://github.com/siyuan-note/siyuan/blob/v3.8.3/app/src/util/Tree.ts#L134","label":"disclosure@vulncheck.com"},{"url":"https://github.com/siyuan-note/siyuan/commit/6f093ebe50afc503e2a8b056164293054f8509e7","label":"disclosure@vulncheck.com"},{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jhfc-9mcq-8p8v","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/siyuan-before-3.8.4-cross-site-scripting-via-bookmark-labels","label":"disclosure@vulncheck.com"},{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jhfc-9mcq-8p8v","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-09-17T15:23:05.971849Z"},"ingestedAt":"2026-09-17T15:20:39.002Z","epss":0.00518,"epssPercentile":0.42875,"slug":"CVE-2026-92985","body":"## Overview\n\nSiYuan versions before 3.8.4 fail to escape bookmark labels imported from notebook files when rendering them in the dock tree. Attackers can craft malicious .sy notebook files with unescaped HTML in bookmark attributes that execute scripts in the Electron renderer with access to child_process for command execution.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":61,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":206277,"id":"CVE-2026-92985","ts":1789662166425,"field":"exploit_available","old":"false","new":"true"}]}