Unrated severityNVD Advisory· Published Feb 6, 2026· Updated Feb 9, 2026
Lute has a Stored Cross-Site Scripting (XSS) via Markdown hyperlink
CVE-2026-25647
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
1- Range: < 3.5.5
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- github.com/88250/lute/commit/0118e218916cf0cc7df639b50ce74e0c6c3d1868mitrex_refsource_MISC
- github.com/siyuan-note/siyuan/security/advisories/GHSA-rw25-98wq-76qvmitrex_refsource_CONFIRM
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