CVE-2026-92985

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 v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jhfc-9mcq-8p8v

Configurations

No configuration.

History

17 Sep 2026, 16:18

Type	Values Removed	Values Added
References	~~() https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jhfc-9mcq-8p8v -~~	() https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jhfc-9mcq-8p8v -

17 Sep 2026, 15:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-17 15:17

Updated : 2026-09-17 16:18

NVD link : CVE-2026-92985

Mitre link : CVE-2026-92985

CVE.ORG link : CVE-2026-92985

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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