CVE-2025-53528
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-07-21

Last updated on: 2025-07-23

Assigner: GitHub, Inc.

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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Meta Information
Published
2025-07-21
Last Modified
2025-07-23
Generated
2026-05-07
AI Q&A
2025-07-21
EPSS Evaluated
2026-05-05
NVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
cadwyn cadwyn *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a Reflected Cross-Site Scripting (XSS) attack in Cadwyn versions 5.4.3 and below. It occurs in the version parameter of the "/docs" endpoint, allowing an attacker to inject and execute malicious JavaScript code in a user's session through a crafted link or one-click attack.


How can this vulnerability impact me? :

The vulnerability can allow attackers to execute arbitrary JavaScript in the context of the user's session, potentially leading to session hijacking, theft of sensitive information, or performing actions on behalf of the user without their consent.


What immediate steps should I take to mitigate this vulnerability?

Upgrade Cadwyn to version 5.4.4 or later, as this version contains the fix for the Reflected XSS vulnerability in the /docs endpoint's version parameter.


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