CVE-2026-32392: Greenly PHP File Inclusion Vulnerability

CVE-2026-32392 Overview

CVE-2026-32392 is a Local File Inclusion (LFI) vulnerability affecting the Greenly WordPress theme developed by Creatives_Planet. The vulnerability stems from improper control of filename parameters in PHP include/require statements, allowing authenticated attackers to include arbitrary local files on the server. This can lead to sensitive information disclosure, configuration file exposure, and potentially remote code execution if combined with other attack techniques.

Critical Impact

Authenticated attackers can exploit this LFI vulnerability to read sensitive server files, potentially exposing database credentials, WordPress configuration data, and other critical system information that could facilitate further attacks.

Affected Products

• Greenly WordPress Theme versions up to and including 8.1
• WordPress installations using the Greenly theme by Creatives_Planet

Discovery Timeline

• 2026-03-13 - CVE-2026-32392 published to NVD
• 2026-03-16 - Last updated in NVD database

Technical Details for CVE-2026-32392

Vulnerability Analysis

This vulnerability is classified as CWE-98 (Improper Control of Filename for Include/Require Statement in PHP Program), commonly known as PHP Remote File Inclusion, though in this case it manifests as Local File Inclusion. The flaw exists in the Greenly WordPress theme where user-controllable input is passed to PHP include or require statements without proper sanitization or validation.

The vulnerability requires network access and low-privilege authentication to exploit, though the attack complexity is considered high. When successfully exploited, attackers can achieve high impact across confidentiality, integrity, and availability. The unchanged scope indicates the vulnerability's impact is contained within the vulnerable component's security context.

Root Cause

The root cause lies in insufficient input validation within the Greenly theme's PHP code. The theme fails to properly sanitize or restrict filename parameters before passing them to PHP's include(), require(), include_once(), or require_once() functions. This allows attackers to manipulate the file path through directory traversal sequences or other techniques to include unintended files from the local filesystem.

WordPress themes that dynamically include template files based on user input are particularly susceptible to this type of vulnerability if proper path validation and whitelisting are not implemented.

Attack Vector

The attack vector is network-based, requiring an authenticated user session with at least low-level privileges. An attacker would craft a malicious request containing directory traversal sequences (such as ../) or absolute file paths to target sensitive files on the server.

Common exploitation targets include:

• /etc/passwd - To enumerate system users
• wp-config.php - To extract database credentials and authentication keys
• /var/log/ files - To read application or system logs
• PHP session files - To potentially hijack other user sessions

The vulnerability could be chained with log poisoning or other file upload techniques to achieve remote code execution by including files containing attacker-controlled PHP code.

Detection Methods for CVE-2026-32392

Indicators of Compromise

• Unusual requests to theme files containing directory traversal sequences like ../ or ..%2f
• Web server access logs showing attempts to include system files such as /etc/passwd or wp-config.php
• Error messages in PHP logs referencing failed file inclusions or unexpected file paths
• Anomalous authenticated user activity targeting theme-specific endpoints

Detection Strategies

• Deploy Web Application Firewall (WAF) rules to detect and block path traversal patterns in request parameters
• Implement file integrity monitoring on critical WordPress configuration files
• Configure PHP error logging to capture and alert on include/require failures
• Review web server access logs for suspicious file path patterns in requests to the Greenly theme

Monitoring Recommendations

• Enable verbose logging for the WordPress installation and monitor for LFI-related error patterns
• Set up alerts for any authenticated requests containing encoded or decoded path traversal sequences
• Monitor for unusual file access patterns on the server, particularly reads of sensitive configuration files
• Implement real-time log analysis to correlate suspicious theme requests with potential data exfiltration

How to Mitigate CVE-2026-32392

Immediate Actions Required

• Disable or remove the Greenly theme if it is not critical to site operations until a patch is available
• Implement WAF rules to block requests containing path traversal sequences targeting theme files
• Review server access logs to identify any exploitation attempts and assess potential compromise
• Restrict file system permissions to limit the impact of potential file inclusion attacks

Patch Information

As of the last NVD update on 2026-03-16, affected versions include Greenly theme version 8.1 and earlier. Users should monitor the Patchstack WordPress Vulnerability Database for patch availability and update information from Creatives_Planet. Apply the vendor-supplied security patch immediately once available.

Workarounds

• Implement server-side input validation to whitelist allowed file paths for theme includes
• Use open_basedir PHP configuration to restrict file access to the WordPress directory
• Deploy ModSecurity or similar WAF with OWASP Core Rule Set to detect LFI attempts
• Consider using a virtual patching solution through your security platform until an official fix is released

# Example PHP configuration hardening
# Add to php.ini or .htaccess to restrict file access
php_admin_value open_basedir /var/www/html/wordpress/
php_admin_value allow_url_include Off
php_admin_value allow_url_fopen Off