Deserialization Vulnerability in Youkefu by Zhangyanbo2007
CVE-2025-4260

5.3MEDIUM

Key Information:

Vendor
Zhangyanbo2007
Status
Youkefu
Vendor
CVE Published:
5 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A deserialization vulnerability has been identified in the Youkefu product from Zhangyanbo2007, specifically within the impsave function located in the TemplateController.java file. This flaw allows an attacker to manipulate the argument dataFile, potentially enabling remote exploitation. Malicious actors may leverage this vulnerability to unearth sensitive information or modify application behavior. Disclosure of the exploit has raised concerns regarding its public availability, emphasizing the need for immediate attention to secure coding practices and timely updates.

Affected Version(s)

youkefu 4.0

youkefu 4.1

youkefu 4.2.0

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-2025-4260 - Proof of Concept

References

https://vuldb.com/?id.307364
vdb-entrytechnical-description
https://vuldb.com/?ctiid.307364
signaturepermissions-required
https://vuldb.com/?submit.562902
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
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

Serein123y (VulDB User)
.
CVE-2025-4260 : Deserialization Vulnerability in Youkefu by Zhangyanbo2007 | SecurityVulnerability.io