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CVE-2025-62800

CVE-kwetsbaarheidsdetails - eXtreme Datacenter Security Operations

Gepubliceerd 2025-10-28 21:34:40

Laatst bijgewerkt 2025-10-29 15:52:44

Toegewezen door GitHub_M

CVSS-score 5.3

Status PUBLISHED

Beschrijving

FastMCP is the standard framework for building MCP applications. Versions prior to 2.13.0 have a reflected cross-site scripting vulnerability in the OAuth client callback page (oauth_callback.py) where unescaped user-controlled values are inserted into the generated HTML, allowing arbitrary JavaScript execution in the callback server origin. The issue is fixed in version 2.13.0.

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