CVE-2025-48293: Geo Mashup Path Traversal Vulnerability

CVE-2025-48293 Overview

CVE-2025-48293 is a Local File Inclusion (LFI) vulnerability affecting the Geo Mashup WordPress plugin developed by Dylan Kuhn. The vulnerability stems from improper control of filename for include/require statements in PHP, classified under CWE-98 (Improper Control of Filename for Include/Require Statement in PHP Program). This flaw allows unauthenticated attackers to include arbitrary local files from the server, potentially leading to sensitive information disclosure, remote code execution, or complete server compromise.

Critical Impact
Unauthenticated attackers can exploit this LFI vulnerability to read sensitive server files, potentially escalating to remote code execution through log poisoning or PHP session file inclusion techniques.

Affected Products

Geo Mashup WordPress Plugin versions up to and including 1.13.16
WordPress installations running vulnerable Geo Mashup versions
Web servers hosting affected WordPress sites

Discovery Timeline

August 14, 2025 - CVE-2025-48293 published to NVD
August 14, 2025 - Last updated in NVD database

Technical Details for CVE-2025-48293

Vulnerability Analysis

This vulnerability exists due to insufficient input validation in the Geo Mashup plugin's file inclusion mechanism. The plugin fails to properly sanitize user-controlled input before using it in PHP include or require statements. This allows an attacker to manipulate the file path parameter to include arbitrary files from the local file system.

Local File Inclusion vulnerabilities in WordPress plugins are particularly dangerous because they can be exploited to:

Read sensitive configuration files - Attackers can access wp-config.php which contains database credentials and authentication keys
Exfiltrate system files - Files like /etc/passwd on Linux systems can reveal user information
Achieve Remote Code Execution - Through techniques like log poisoning, PHP session file inclusion, or /proc/self/environ exploitation, LFI can be escalated to RCE

The vulnerability requires no authentication, meaning any remote attacker with network access to the WordPress site can attempt exploitation.

Root Cause

The root cause is improper control of filename parameters used in PHP include/require statements within the Geo Mashup plugin. User-supplied input is passed directly or with insufficient validation to file inclusion functions, allowing directory traversal sequences (e.g., ../) to escape the intended directory and access arbitrary files on the server. The plugin lacks proper allowlisting of permitted files and fails to sanitize path traversal characters effectively.

Attack Vector

The attack vector is network-based, requiring no authentication or user interaction. An attacker can craft malicious HTTP requests to the vulnerable WordPress site, manipulating parameters to specify arbitrary file paths. The vulnerability can be exploited remotely against any publicly accessible WordPress installation running the vulnerable plugin version. Attackers typically use directory traversal sequences to navigate the file system and include sensitive files such as configuration files, log files, or other PHP scripts that can be leveraged for further exploitation.

The vulnerability mechanism involves manipulating file path parameters to traverse directories and include unintended files. Attackers typically craft requests with directory traversal sequences like ../../../ to access files outside the intended directory. For detailed technical information about this vulnerability, refer to the Patchstack security advisory.

Detection Methods for CVE-2025-48293

Indicators of Compromise

Unusual HTTP requests containing directory traversal sequences (../, ..%2f, ..%252f) targeting Geo Mashup plugin endpoints
Access logs showing requests attempting to include sensitive files like wp-config.php, /etc/passwd, or log files
Failed or successful attempts to access files outside the WordPress installation directory
Web server error logs indicating file inclusion failures or unexpected file access attempts

Detection Strategies

Deploy Web Application Firewall (WAF) rules to detect and block requests containing path traversal patterns
Monitor HTTP request parameters for common LFI payloads including null bytes, encoding variations, and wrapper protocols
Implement file integrity monitoring on sensitive configuration files
Configure intrusion detection systems to alert on patterns consistent with LFI exploitation attempts

Monitoring Recommendations

Enable verbose logging for WordPress and the web server to capture detailed request information
Set up alerts for high-volume requests from single IP addresses targeting plugin endpoints
Monitor for unusual file access patterns in system audit logs
Implement real-time log analysis to detect exploitation attempts as they occur

How to Mitigate CVE-2025-48293

Immediate Actions Required

Update the Geo Mashup plugin to the latest patched version immediately
If immediate patching is not possible, consider temporarily deactivating the Geo Mashup plugin
Review web server access logs for signs of exploitation attempts
Rotate WordPress authentication keys and database credentials if compromise is suspected
Implement WAF rules to block requests containing path traversal sequences targeting the plugin

Patch Information

Users should update the Geo Mashup WordPress plugin to a version newer than 1.13.16. Check the WordPress plugin repository or the official plugin page for the latest secure version. The vulnerability has been documented by Patchstack, and users can review the Patchstack vulnerability database entry for additional details and remediation guidance.

Workarounds

Temporarily deactivate the Geo Mashup plugin if updating is not immediately possible
Implement server-level access controls to restrict file system access for the web server process
Deploy virtual patching through a Web Application Firewall to filter malicious requests
Restrict access to the WordPress admin area and plugin directories using .htaccess or nginx configuration rules
Apply the principle of least privilege to web server file system permissions

bash

# Apache .htaccess rule to block path traversal attempts
<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{QUERY_STRING} (\.\./|\.\.%2f|\.\.%252f) [NC,OR]
    RewriteCond %{QUERY_STRING} (file=|include=|path=).*(\.\.) [NC]
    RewriteRule .* - [F,L]
</IfModule>