CVE-2025-4006: Youyiio Beyongcms

Medium severity, CVSS 4.7. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability classified as critical has been found in youyiio BeyongCms 1.6.0. Affected is an unknown function of the file /admin/theme/Upload.html of the component Document Management Page. The manipulation of the argument File leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Youyiio Beyongcms: version 1.6.0 only

Published 2025-04-28. Last modified 2026-06-17.