CVE-2026-22498: Laurent Theme PHP File Inclusion Flaw

CVE-2026-22498 Overview

CVE-2026-22498 is a Local File Inclusion (LFI) vulnerability affecting the Laurent WordPress theme developed by Elated-Themes. 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 attackers to include local files on the server, potentially leading to sensitive information disclosure, authentication bypass, or remote code execution when combined with other techniques.

Critical Impact

Attackers can exploit this LFI vulnerability to read sensitive configuration files, access credentials, or potentially achieve remote code execution through log poisoning or other file inclusion chains.

Affected Products

• Elated-Themes Laurent WordPress Theme version 3.1 and earlier
• WordPress installations running vulnerable Laurent theme versions
• Web servers hosting WordPress sites with the Laurent theme

Discovery Timeline

• 2026-03-25 - CVE-2026-22498 published to NVD
• 2026-03-26 - Last updated in NVD database

Technical Details for CVE-2026-22498

Vulnerability Analysis

This vulnerability exists due to insufficient input validation in the Laurent WordPress theme's PHP include mechanisms. When processing user-supplied input for file inclusion operations, the theme fails to properly sanitize or validate the filename parameter. This allows an attacker to manipulate the file path and include arbitrary local files from the server's filesystem.

The attack can be executed remotely over the network without requiring authentication. While exploitation requires some complexity due to the nature of LFI attacks, successful exploitation can result in complete compromise of confidentiality, integrity, and availability of the affected system.

Root Cause

The root cause is improper control of filename parameters used in PHP's include(), require(), include_once(), or require_once() functions. The Laurent theme does not adequately filter or validate user-controlled input before passing it to these file inclusion functions, enabling path traversal sequences and local file access.

Attack Vector

The vulnerability is exploitable via network-based attacks targeting WordPress installations running the vulnerable Laurent theme. An attacker can craft malicious HTTP requests containing path traversal sequences (such as ../) or direct file paths to include sensitive local files.

Common exploitation targets include:

• /etc/passwd for user enumeration on Linux systems
• wp-config.php to extract database credentials
• Server log files for log poisoning attacks that can lead to RCE
• Other PHP configuration files containing sensitive information

The attack does not require user interaction or prior authentication, making it particularly dangerous for publicly accessible WordPress sites.

Detection Methods for CVE-2026-22498

Indicators of Compromise

• Unusual HTTP requests containing path traversal sequences (../, ..%2f, ....//) in URL parameters
• Web server logs showing attempts to access sensitive system files like /etc/passwd or wp-config.php
• Requests to WordPress theme endpoints with suspicious file path parameters
• Evidence of log file access followed by code execution attempts

Detection Strategies

• Deploy Web Application Firewall (WAF) rules to detect and block path traversal patterns in HTTP requests
• Monitor WordPress theme file access logs for unusual include patterns or error messages related to file operations
• Implement file integrity monitoring on critical WordPress configuration files
• Configure intrusion detection systems (IDS) to alert on LFI attack signatures

Monitoring Recommendations

• Enable detailed PHP error logging to capture failed file inclusion attempts
• Monitor web server access logs for requests targeting theme-specific endpoints with unusual parameters
• Set up alerts for access attempts to sensitive system files from web application processes
• Review WordPress audit logs for suspicious theme-related activity

How to Mitigate CVE-2026-22498

Immediate Actions Required

• Update the Laurent WordPress theme to a patched version if available from Elated-Themes
• Temporarily disable or remove the Laurent theme if no patch is available and site functionality permits
• Implement WAF rules to block path traversal attempts targeting the vulnerable theme
• Review server logs for evidence of exploitation attempts

Patch Information

Administrators should check the Patchstack Vulnerability Report for the latest patch information and remediation guidance. Contact Elated-Themes directly for updated theme versions that address this vulnerability. All WordPress installations running Laurent theme version 3.1 or earlier should be considered vulnerable.

Workarounds

• Implement strict input validation on all file inclusion parameters using allowlist approaches
• Configure open_basedir PHP directive to restrict file access to the WordPress installation directory
• Disable remote file inclusion by setting allow_url_include = Off in php.ini
• Use a virtual patching solution or WAF to block exploitation attempts while awaiting an official patch

# PHP configuration hardening for LFI mitigation
# Add to php.ini or .htaccess

# Restrict PHP file access to specific directories
php_admin_value open_basedir /var/www/html/wordpress:/tmp

# Disable remote file inclusion
php_admin_flag allow_url_include Off
php_admin_flag allow_url_fopen Off

# Enable strict error handling (disable display, enable logging)
php_admin_flag display_errors Off
php_admin_flag log_errors On