CVE-2026-2557: Cskefu

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability was detected in cskefu up to 8.0.1. Impacted is the function Upload of the file com/cskefu/cc/controller/resource/MediaController.java of the component File Upload. The manipulation results in cross site scripting. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Cskefu Cskefu: up to and including 8.0.1

Published 2026-02-16. Last modified 2026-06-17.