Server-Side Request Forgery in Youkefu 4.2.0 by Zhangyanbo2007
CVE-2025-2997

5.3MEDIUM

Key Information:

Vendor
Zhangyanbo2007
Status
Youkefu
Vendor
CVE Published:
31 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability exists in Youkefu version 4.2.0 developed by Zhangyanbo2007, specifically within an unverified function of the file /res/url. This flaw arises from improper handling of the 'url' argument, allowing an attacker to perform server-side request forgery (SSRF). Through SSRF, a remote attacker may exploit this vulnerability to send crafted requests from the vulnerable server, potentially accessing internal resources or services that should not be publicly available. The details of this exploit have been disclosed, heightening the urgency for users to apply necessary security measures.

Affected Version(s)

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.

References

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

exp3n5ive (VulDB User)
.