Medium severity4.6NVD Advisory· Published Feb 6, 2026· Updated Jun 17, 2026
CVE-2026-25647
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.
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Affected products
2- Range: < 3.5.5
Patches
Vulnerability mechanics
References
2News mentions
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