MajorCritical vulnerability

CVE-2026-100645 (CVSS 8.6)

NVD · officialPublished Sep 26, 2026Risk 37/100

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.

Technical details

CVSS

8.6

AV:NetworkAC:LowPR:LowUI:Passive

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

Open primary source