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OpenAdvisories
High · 8.8 CVE-2026-92985 EUVD-2026-81622GHSA-29wc-8rjr-p9x2

SiYuan before 3.8.4 Cross-Site Scripting via Bookmark Labels

Published Sep 17, 2026 · Updated Sep 17, 2026 · Assigned by VulnCheck

Description

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.

Affected products

VendorProductAffectedFixed
siyuan-note siyuan < 3.8.4 3.8.4

References