CVE-2026-82653 – SiYuan before v3.8.1 Stored XSS via confirmDialog

​CVE ID :CVE-2026-82653

Published : Aug. 30, 2026, 3:16 p.m. | 4 hours, 25 minutes ago

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.

Severity: 8.9 | HIGH

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