CVE-2026-93922

HIGHCVSS 8.8

SiYuan through 3.8.4 renders notebook names as raw HTML in the Daily Note picker dialog without escaping, allowing stored cross-site scripting in the Electron renderer. Attackers can create notebooks with HTML payloads in names that execute JavaScript with Node.js access when the picker opens, enabling operating system command execution.

Published 2026-09-19 · last modified 2026-09-19

Full record at NVD ↗

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.