{"id":"CVE-2026-116169","published":"2026-10-25T14:16:56.080","lastModified":"2026-10-25T15:17:02.733","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.","cvssScore":5.4,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cwes":["CWE-79"],"vendors":[],"products":[],"references":[{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-hhvq-jqv9-pgjq","tags":[]},{"url":"https://www.vulncheck.com/advisories/siyuan-2.10.0-before-3.8.7-stored-xss-via-katex-href-in-math-blocks","tags":[]}],"exploitRefs":[{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-hhvq-jqv9-pgjq","tags":[]}],"hasPoc":true,"ai":null}