CVE-2025-66026 | THREATINT

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.

PUBLISHED Reserved 2025-11-21 | Published 2025-11-26 | Updated 2025-11-26 | Assigner GitHub_M

MEDIUM: 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

< 5.20.1

affected

References

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

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

github.com/...ommit/58929062312cf03e344ab04067a365e6b6ee66aa

cve.org (CVE-2025-66026)

nvd.nist.gov (CVE-2025-66026)

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