CVE-2025-66026
BaseFortify
Publication date: 2025-11-26
Last updated on: 2025-12-03
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| redaxo | redaxo | to 5.20.1 (exc) |
Helpful Resources
Exploitability
| 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) issue in the REDAXO CMS prior to version 5.20.1. It occurs in the Mediapool view where the request parameter args[types] is displayed in an info banner without proper HTML escaping. This allows an attacker to inject and execute arbitrary JavaScript code in the backend context when an authenticated user clicks on a specially crafted link while logged in.
How can this vulnerability impact me? :
The vulnerability can lead to arbitrary JavaScript execution in the backend for authenticated users. This can result in unauthorized actions performed on behalf of the user, theft of sensitive information such as session tokens, or other malicious activities within the CMS backend environment.
What immediate steps should I take to mitigate this vulnerability?
The immediate step to mitigate this vulnerability is to upgrade REDAXO to version 5.20.1 or later, where the reflected XSS issue in the Mediapool view has been patched.