XML External Entity injection in youkefu - CVE-2025-3241

 

XML External Entity injection in youkefu - CVE-2025-3241

Published: May 26, 2025


Vulnerability identifier: #VU109801
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2025-3241
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: zhangyanbo2007
Affected software:
youkefu

Detailed vulnerability description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied XML input in src/main/java/com/ukefu/webim/web/handler/admin/callcenter/CallCenterRouterController.java. A remote user  can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.

Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.


How to mitigate CVE-2025-3241

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources