Security Advisory

CVE-2025-53528

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2025-07-21 20:15:17

Last updated 2025-07-23 15:01:36

Assigner GitHub_M

CVSS score 7.6

State PUBLISHED

Description

Cadwyn creates production-ready community-driven modern Stripe-like API versioning in FastAPI. In versions before 5.4.3, the version parameter of the "/docs" endpoint is vulnerable to a Reflected XSS (Cross-Site Scripting) attack. This XSS would notably allow an attacker to execute JavaScript code on a user's session for any application based on Cadwyn via a one-click attack. The vulnerability has been fixed in version 5.4.3.

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