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OpenAdvisories
Medium · 4.6 CVE-2026-25647 EUVD-2026-5622

Lute has a Stored Cross-Site Scripting (XSS) via Markdown hyperlink

Published Feb 6, 2026 · Updated Feb 9, 2026 · Assigned by GitHub_M

Description

Lute is a structured Markdown engine supporting Go and JavaScript. Lute 1.7.6 and earlier (as used in SiYuan before) has a Stored Cross-Site Scripting (XSS) vulnerability in the Markdown rendering engine. An attacker can inject malicious JavaScript into a Markdown text/note. When another user clicks the rendered content, the script executes in the context of their session.

Affected products

VendorProductAffectedFixed
siyuan-note siyuan < 3.5.5 —

References