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CVE-2026-92985NVD
Vulnerability 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 scripts in the Electron renderer with access to child_process for command execution.
CVSS v4.0 Base Metrics — Score 8.6 (HIGH)
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionActive
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)High
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
CVSS v3.1 Base Metrics — Score 8.8 (HIGH)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Affected & Patched Versions
- siyuan-note siyuan < 3.8.4
- siyuan-note siyuan 3.8.4
External References
- https://github.com/siyuan-note/siyuan/commit/6f093ebe50afc503e2a8b056164293054f8509e7
- https://github.com/siyuan-note/siyuan
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jhfc-9mcq-8p8v
- https://github.com/siyuan-note/siyuan/blob/v3.8.3/app/src/util/Tree.ts#L134
- https://www.vulncheck.com/advisories/siyuan-before-3.8.4-cross-site-scripting-via-bookmark-labels