CVE-2026-100645

SiYuan 3.7.0 before 3.8.4 Stored XSS via Gallery Kanban

Published: Sep 26, 2026Updated: Sep 26, 2026 Sources: CVE List NVDCWE-79

8.0HIGH

Description

SiYuan versions 3.7.0 before 3.8.4 contain a stored cross-site scripting vulnerability in gallery and kanban database renderers where field descriptions are not escaped in aria-label attributes. In the Electron desktop app with nodeIntegration enabled, attackers can inject JavaScript that calls Node.js child_process APIs to execute arbitrary commands with user privileges.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:RUser Interaction

Required

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-79

Affected Products

siyuan-note

commercial

siyuanOn-premDesktop App

Consumer Software / productivity

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Execution

Initial Access

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References

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-556j-q8c8-qqg3

github.com

https://www.vulncheck.com/advisories/siyuan-3.7.0-before-3.8.4-stored-xss-via-gallery-kanban

vulncheck.com

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