CVE-2026-73053

CVE-2026-73053CVE-2026-73053

Description

SiYuan versions before v3.7.4 contain a cross-site scripting vulnerability in the unicode2Emoji function that fails to sanitize codepoint branch output. Attackers can craft document icons with hex-encoded markup that executes in the renderer with Node integration enabled, achieving arbitrary code execution on the host system.

Scoring

CVSS 9.0 ()
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Last modified2026-08-15
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.