XML External Entity Reference Vulnerability in Youkefu by Zhangyanbo2007
CVE-2025-3241

5.3MEDIUM

Key Information:

Vendor
Zhangyanbo2007
Status
Youkefu
Vendor
CVE Published:
4 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A security issue was identified in Youkefu, where the XML Document Handler in the CallCenterRouterController.java file has an XML external entity reference vulnerability. This flaw arises from the manipulation of the 'routercontent' argument, enabling an attacker to exploit the system remotely. Public disclosure of this vulnerability raises concerns about potential remote exploitation, highlighting the necessity for immediate attention and remediation strategies to protect users.

Affected Version(s)

youkefu 4.0

youkefu 4.1

youkefu 4.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-3241 - Proof of Concept

References

https://vuldb.com/?id.303267
vdb-entrytechnical-description
https://vuldb.com/?ctiid.303267
signaturepermissions-required
https://vuldb.com/?submit.547585
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

feverwizard (VulDB User)
.