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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.

PUBLISHED Reserved 2026-02-04 | Published 2026-02-06 | Updated 2026-02-09 | Assigner GitHub_M




MEDIUM: 4.6CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

< 3.5.5
affected

References

github.com/...siyuan/security/advisories/GHSA-rw25-98wq-76qv

github.com/...ommit/0118e218916cf0cc7df639b50ce74e0c6c3d1868

cve.org (CVE-2026-25647)

nvd.nist.gov (CVE-2026-25647)

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