CVE-2026-92985
HIGH
NVD
CVSS Score
8.8
Severity
HIGH
Published
Sep 17, 2026
Vendor
unknown
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.
References
- https://github.com/siyuan-note/siyuan
- https://github.com/siyuan-note/siyuan/blob/v3.8.3/app/src/util/Tree.ts#L134
- https://github.com/siyuan-note/siyuan/commit/6f093ebe50afc503e2a8b056164293054f8509e7
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jhfc-9mcq-8p8v
- https://www.vulncheck.com/advisories/siyuan-before-3.8.4-cross-site-scripting-via-bookmark-labels