Description
SiYuan before v3.8.1 contains a stored cross-site scripting vulnerability in confirmDialog() where unescaped package names and notebook names are interpolated directly into innerHTML assignments. Attackers can submit malicious bazaar packages with HTML/script payloads in the name field that execute in users' browsers when uninstalling packages or unlocking encrypted notebooks.
Metrics
CVSS 3.1 8.9/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:LWeakness enumeration
Affected software
No affected versions have been published.
Timeline
- Published
- Aug 30, 2026
- Last modified
- Sep 2, 2026
- NVD status
- Deferred