CVE-2025-66026 – REDAXO is Vulnerable to Reflected XSS in Mediapool Info Banner via args[types]

The following table lists the changes that have been made to the
CVE-2025-66026 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Nov. 26, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Added CWE CWE-79
    Added Reference https://github.com/redaxo/redaxo/commit/58929062312cf03e344ab04067a365e6b6ee66aa
    Added Reference https://github.com/redaxo/redaxo/security/advisories/GHSA-x6vr-q3vf-vqgq
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