CVE-2026-116169

MediumCVSS 5.4/10Last modified Oct 29, 2026

Description

SiYuan from 2.10.0 before 3.8.7 contains a stored cross-site scripting vulnerability that allows users with edit permission to inject script by placing javascript: URLs in math block content rendered with KaTeX trust enabled. Attackers can store \href, \url, or \includegraphics payloads that mathRender assigns via innerHTML, executing script in the application origin when a reader clicks the rendered link.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
siyuan-note	siyuan	>= 2.10.0, < 3.8.7

References

Timeline

Published: Oct 25, 2026
Last modified: Oct 29, 2026
NVD status: Deferred

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