{"id":"CVE-2026-73050","title":"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","summary":"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 includ…","severity":"critical","cvss":9,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","cwe":["CWE-79"],"published":"2026-08-15","updated":"2026-08-15","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73050","references":[{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-m7cc-jh9q-wxg8","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/siyuan-before-stored-xss-via-select-option-color","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"ingestedAt":"2026-08-16T13:39:04.378Z","epss":0.00247,"epssPercentile":0.16276,"slug":"CVE-2026-73050","body":"## Overview\n\nSiYuan 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":50,"depthScoreParts":{"impact":49.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}