CVE-2026-25647

Published: Feb 6, 2026Modified: Jun 17, 2026

5.4

Vector

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

Exploitability: 2.3 / Impact: 2.7

Source: NVD

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 (1)

Products: B3log: Siyuan

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
B3log Siyuan	Version 3.5.4

Related CWEs

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

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (2)

https://github.com/88250/lute/commit/0118e218916cf0cc7df639b50ce74e0c6c3d1868

Source: security-advisories@github.com

Patch

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

Source: security-advisories@github.com

ExploitVendor Advisory

Timeline

No history available yet.