CVE-2025-66026

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.

• CWE-79

• https://github.com/redaxo/redaxo/commit/58929062312cf03e344ab04067a365e6b6ee66aaPatch
• https://github.com/redaxo/redaxo/security/advisories/GHSA-x6vr-q3vf-vqgqExploit, Vendor Advisory
• https://github.com/redaxo/redaxo/security/advisories/GHSA-x6vr-q3vf-vqgqExploit, Vendor Advisory

Published

Nov 26, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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