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Reflected Cross Site Scripting (XSS)

🗓️ 13 Dec 2025 07:54:46Reported by Veracode Vulnerability DatabaseType 
veracode
 veracode
🔗 sca.analysiscenter.veracode.com👁 3 Views

FastMCP has cross site scripting via unescaped input on the authorization callback page.

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Detection
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03 Feb 2026 11:07Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.16.1
CVSS 45.3
EPSS0.00059
SSVC
3