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.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_confirm
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-rw25-98wq-76qv
Patch x_refsource_misc
https://github.com/88250/lute/commit/0118e218916cf0cc7df639b50ce74e0c6c3d1868
Scores
CVSS v3
4.6
EPSS
0.0001
EPSS Percentile
2.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (1)
b3log/siyuan
3.5.4
Published
Feb 06, 2026
Tracked Since
Feb 18, 2026