CVE-2026-2557 MEDIUM

CVE-2026-2557: cskefu File Upload MediaController.java upload cross site scripting

Vendor N/A
Product cskefu
Weakness CWE-79 · XSS
Published February 16, 2026
Last update February 23, 2026

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

What the vulnerability does

Description

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.

Key dates

Disclosure timeline

February 16, 2026 CVE published
February 23, 2026 Record updated