rootpwn

critical · CVSS v3 8.8 · CVSS v4 8.6

CVE-2026-93922

SiYuan through 3.8.4 renders notebook names as raw HTML in the Daily Note picker dialog without escaping, allowing store…

Description

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.

Scores

Severity
critical
CVSS v2
10
CVSS v3
8.8
CVSS v4
8.6
EPSS
—

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