Vulnerability Description
SiYuan versions 3.7.0 before 3.8.4 contain a stored cross-site scripting vulnerability in gallery and kanban database renderers where field descriptions are not escaped in aria-label attributes. In the Electron desktop app with nodeIntegration enabled, attackers can inject JavaScript that calls Node.js child_process APIs to execute arbitrary commands with user privileges.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-556j-q8c8-qqg3
- https://www.vulncheck.com/advisories/siyuan-3.7.0-before-3.8.4-stored-xss-via-ga
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-556j-q8c8-qqg3
FAQ
What is CVE-2026-100645?
CVE-2026-100645 is a vulnerability with a CVSS score of 8.0 (HIGH). SiYuan versions 3.7.0 before 3.8.4 contain a stored cross-site scripting vulnerability in gallery and kanban database renderers where field descriptions are not escaped in aria-label attributes. In th...
How severe is CVE-2026-100645?
CVE-2026-100645 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-100645?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.