CVE-2026-73050

criticalCVSS 9covered by 1 sourcefirst seen 2026-08-15

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.

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Exploitation outlook

Low exploitation risk0.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalCVE-2026-73050: SiYuan versions before v3.7.4 fail to validate or escape the color field in attribute-view sel…nvd · 2026-08-15

External references

NVD record for CVE-2026-73050

CVE.org record

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