Arbitrary file upload in youkefu - CVE-2025-4258
Published: May 26, 2025
Vulnerability identifier: #VU109803
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-4258
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: zhangyanbo2007
Affected software:
youkefu
youkefu
Detailed vulnerability description
The vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload in \youkefu-master\src\main\java\com\ukefu\webim\web\handler\resource\MediaController.java. A remote user can upload a malicious file and execute it on the server.
How to mitigate CVE-2025-4258
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.