CVE-2025-49277: Blogprise Path Traversal Vulnerability

CVE-2025-49277 Overview

CVE-2025-49277 is a PHP Local File Inclusion (LFI) vulnerability affecting the Blogprise WordPress theme developed by unfoldwp. The vulnerability stems from improper control of filename for include/require statements in PHP, allowing attackers to include local files on the server. This can lead to sensitive information disclosure, arbitrary code execution, or complete server compromise depending on the server configuration and accessible files.

Critical Impact

Attackers can exploit this Local File Inclusion vulnerability to read sensitive server files, potentially access configuration files containing database credentials, or achieve remote code execution through log poisoning or other LFI-to-RCE techniques.

Affected Products

• WordPress Blogprise Theme version 1.0.9 and earlier
• All WordPress installations running vulnerable Blogprise theme versions

Discovery Timeline

• 2025-06-09 - CVE-2025-49277 published to NVD
• 2026-04-15 - Last updated in NVD database

Technical Details for CVE-2025-49277

Vulnerability Analysis

This vulnerability is classified under CWE-98 (Improper Control of Filename for Include/Require Statement in PHP Program). The Blogprise WordPress theme fails to properly sanitize user-supplied input before using it in PHP include or require statements. This allows an attacker to manipulate file paths and include arbitrary local files from the server's filesystem.

Local File Inclusion vulnerabilities in WordPress themes are particularly dangerous because WordPress installations often contain sensitive configuration files like wp-config.php that store database credentials and authentication keys. Additionally, attackers may be able to escalate LFI to Remote Code Execution by including log files that have been poisoned with malicious PHP code.

Root Cause

The root cause of this vulnerability is insufficient input validation and sanitization in the Blogprise theme's PHP code. When the theme processes requests that include file path parameters, it does not adequately verify that the specified path points to an expected and safe file location. This allows attackers to use path traversal sequences (such as ../) or direct file paths to include unintended files.

Attack Vector

The attack vector for this vulnerability involves manipulating HTTP request parameters that are used in file inclusion operations within the theme. An attacker can craft malicious requests containing path traversal sequences to navigate the server's directory structure and include sensitive files.

Typical exploitation scenarios include:

• Reading sensitive configuration files such as /etc/passwd or WordPress configuration files
• Accessing server logs that may contain session tokens or other sensitive data
• Achieving code execution by including log files containing injected PHP code (log poisoning)
• Reading source code files to discover additional vulnerabilities

For detailed technical analysis and proof-of-concept information, see the Patchstack WordPress Vulnerability Database.

Detection Methods for CVE-2025-49277

Indicators of Compromise

• HTTP requests containing path traversal sequences such as ../ targeting theme-related endpoints
• Access log entries showing attempts to include system files like /etc/passwd or wp-config.php
• Unusual file access patterns in web server logs, particularly involving the Blogprise theme directory
• Error logs showing PHP warnings about failed file inclusions or restricted file access attempts

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block path traversal patterns in request parameters
• Monitor web server access logs for suspicious requests targeting the Blogprise theme with unusual file path parameters
• Deploy file integrity monitoring on critical WordPress configuration files
• Use intrusion detection systems configured with signatures for PHP LFI attack patterns

Monitoring Recommendations

• Enable verbose logging for the WordPress installation and review logs regularly for anomalous activity
• Configure alerts for HTTP requests containing known path traversal patterns targeting PHP endpoints
• Monitor for unauthorized access attempts to sensitive server files outside the web root
• Implement Security Information and Event Management (SIEM) rules to correlate LFI attack indicators

How to Mitigate CVE-2025-49277

Immediate Actions Required

• Update the Blogprise WordPress theme to a patched version if available from the developer
• If no patch is available, consider deactivating and removing the Blogprise theme until a fix is released
• Implement WAF rules to block path traversal attempts targeting the WordPress installation
• Review web server logs for signs of exploitation attempts
• Restrict file system permissions to limit the impact of potential exploitation

Patch Information

Organizations should check the Patchstack WordPress Vulnerability Database for the latest patch availability and update information. Contact the theme developer unfoldwp for official security updates addressing this vulnerability.

Workarounds

• Implement strict input validation and sanitization at the web server level using ModSecurity or similar WAF solutions
• Configure PHP open_basedir directive to restrict file access to the WordPress directory only
• Disable unnecessary PHP functions that could be leveraged for exploitation using the disable_functions directive in php.ini
• Apply the principle of least privilege to web server file system permissions
• Consider using a virtual patching solution until an official fix is available

# Example php.ini configuration to restrict file access
open_basedir = /var/www/html/wordpress/
disable_functions = exec,passthru,shell_exec,system,proc_open,popen

# Example .htaccess rule to block path traversal attempts
RewriteEngine On
RewriteCond %{QUERY_STRING} (\.\./|\.\.\\) [NC,OR]
RewriteCond %{REQUEST_URI} (\.\./|\.\.\\) [NC]
RewriteRule .* - [F,L]