Unrestricted File Upload Vulnerability in Exrick Xboot by Exrick
CVE-2025-8526

5.3MEDIUM

Key Information:

Vendor

Exrick

Status
Xboot
Vendor
CVE Published:
4 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8526?

A vulnerability exists in Exrick Xboot, where an attacker can exploit the Upload function in UploadController.java to perform unrestricted file uploads. This flaw allows remote attackers to upload potentially malicious files, creating a significant security risk for affected installations. The improper handling of file arguments leads to this security vulnerability, which has already been publicly disclosed, allowing for easy exploitation if not mitigated.

Affected Version(s)

xboot 3.3.0

xboot 3.3.1

xboot 3.3.2

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-2025-8526 - Proof of Concept

References

https://vuldb.com/?id.318652
vdb-entrytechnical-description
https://vuldb.com/?ctiid.318652
signaturepermissions-required
https://vuldb.com/?submit.622173
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

ZAST.AI (VulDB User)
.