CVE-2026-25647

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.

CVSS v3 4.6 MEDIUM

4.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.1 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/88250/lute/commit/0118e218916cf0cc7df639b50ce74e0c6c3d1868	Patch
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-rw25-98wq-76qv	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:b3log:siyuan:3.5.4:-:*:*:*:*:*:*

History

No history.

Information

Published : 2026-02-06 19:16

Updated : 2026-02-24 20:59

NVD link : CVE-2026-25647

Mitre link : CVE-2026-25647

CVE.ORG link : CVE-2026-25647

JSON object : View

Products Affected

b3log

siyuan

CWE

CWE-79

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

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