CVE-2026-25647CWE-79

Lute has a Stored Cross-Site Scripting (XSS) via Markdown hyperlink

Medium · published February 6, 2026

CVSS v3.1
4.6
EPSS
0%
Percentile
21.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.6 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00295 · 21.0th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-02-06T19:03Z
EPSS history
Timeline
  • 06 FEB 19:03Z
    Lute has a Stored Cross-Site Scripting (XSS) via Markdown hyperlink
    cvelistv5