CVE-2026-25647

MEDIUM

4.6

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.

CVE Details

CVSS v3.1 Score4.6

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionREQUIRED

Published2/6/2026

Last Modified2/24/2026

Sourcenvd

Honeypot Sightings0

Affected Products

b3log:siyuan

Weaknesses (CWE)

CWE-79

References

https://github.com/88250/lute/commit/0118e218916cf0cc7df639b50ce74e0c6c3d1868(security-advisories@github.com)

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-rw25-98wq-76qv(security-advisories@github.com)

IOC Correlations

No correlations recorded

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