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.

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Fixes

Solution

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Workaround

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History

Tue, 24 Feb 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared B3log
B3log siyuan
CPEs cpe:2.3:a:b3log:siyuan:3.5.4:-:*:*:*:*:*:*
Vendors & Products B3log
B3log siyuan

Mon, 09 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 09 Feb 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Siyuan
Siyuan siyuan
Vendors & Products Siyuan
Siyuan siyuan

Fri, 06 Feb 2026 19:15:00 +0000

Type Values Removed Values Added
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.
Title Lute has a Stored Cross-Site Scripting (XSS) via Markdown hyperlink
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-02-09T15:28:33.222Z

Reserved: 2026-02-04T05:15:41.792Z

Link: CVE-2026-25647

cve-icon Vulnrichment

Updated: 2026-02-09T15:19:31.321Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-06T19:16:09.593

Modified: 2026-02-24T20:59:10.180

Link: CVE-2026-25647

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-09T10:49:49Z

Weaknesses