CVE-2025-66026

Published: Nov 26, 2025Modified: Jun 17, 2026

6.1

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitability: 2.8 / Impact: 2.7

Source: security-advisories@github.com (Secondary)

Description

REDAXO is a PHP-based CMS. Prior to version 5.20.1, a reflected Cross-Site Scripting (XSS) vulnerability exists in the Mediapool view where the request parameter args[types] is rendered into an info banner without HTML-escaping. This allows arbitrary JavaScript execution in the backend context when an authenticated user visits a crafted link while logged in. This issue has been patched in version 5.20.1.

Affected (1)

Products: Redaxo: Redaxo

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Redaxo Redaxo	Before 5.20.1

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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.

References (3)

https://github.com/redaxo/redaxo/commit/58929062312cf03e344ab04067a365e6b6ee66aa

Source: security-advisories@github.com

Patch

https://github.com/redaxo/redaxo/security/advisories/GHSA-x6vr-q3vf-vqgq

Source: security-advisories@github.com

ExploitVendor Advisory

https://github.com/redaxo/redaxo/security/advisories/GHSA-x6vr-q3vf-vqgq

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

ExploitVendor Advisory

Timeline

No history available yet.