{"id":"CVE-2026-92985","published":"2026-09-17T15:17:01.840","lastModified":"2026-09-17T16:18:35.200","description":"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 scripts in the Electron renderer with access to child_process for command execution.","cvssScore":8.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwes":["CWE-79"],"vendors":[],"products":[],"references":[{"url":"https://github.com/siyuan-note/siyuan","tags":[]},{"url":"https://github.com/siyuan-note/siyuan/blob/v3.8.3/app/src/util/Tree.ts#L134","tags":[]},{"url":"https://github.com/siyuan-note/siyuan/commit/6f093ebe50afc503e2a8b056164293054f8509e7","tags":[]},{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jhfc-9mcq-8p8v","tags":[]},{"url":"https://www.vulncheck.com/advisories/siyuan-before-3.8.4-cross-site-scripting-via-bookmark-labels","tags":[]},{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jhfc-9mcq-8p8v","tags":[]}],"exploitRefs":[{"url":"https://github.com/siyuan-note/siyuan","tags":[]},{"url":"https://github.com/siyuan-note/siyuan/blob/v3.8.3/app/src/util/Tree.ts#L134","tags":[]},{"url":"https://github.com/siyuan-note/siyuan/commit/6f093ebe50afc503e2a8b056164293054f8509e7","tags":[]},{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jhfc-9mcq-8p8v","tags":[]},{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jhfc-9mcq-8p8v","tags":[]}],"hasPoc":true,"ai":{"summary":"SiYuan versions before 3.8.4 fail to properly escape HTML in bookmark labels, allowing attackers to inject scripts that can execute commands via the Electron renderer.","exploitability":"Exploitation is relatively straightforward given the preconditions of user interaction with a malicious .sy notebook file.","blast_radius":"If exploited, this flaw could lead to full system compromise through command execution.","remediation":"Upgrade to SiYuan 3.8.4 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","web","scripting","html-injection"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-09-30T09:09:21.709Z"}}