Vulnerability Description
SiYuan versions before v3.7.4 fail to validate or escape the color field in attribute-view select options, allowing stored cross-site scripting through eight unescaped render sites. Attackers can inject event-handler attributes by including quotation marks in the color value, executing arbitrary JavaScript when viewing databases containing the malicious select field.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-m7cc-jh9q-wxg8
- https://www.vulncheck.com/advisories/siyuan-before-stored-xss-via-select-option-
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-m7cc-jh9q-wxg8
FAQ
What is CVE-2026-73050?
CVE-2026-73050 is a vulnerability with a CVSS score of 9.0 (CRITICAL). SiYuan versions before v3.7.4 fail to validate or escape the color field in attribute-view select options, allowing stored cross-site scripting through eight unescaped render sites. Attackers can inje...
How severe is CVE-2026-73050?
CVE-2026-73050 has been rated CRITICAL with a CVSS base score of 9.0/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-73050?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.