CVE-2026-22419: Honor Theme Path Traversal Vulnerability

CVE-2026-22419 Overview

CVE-2026-22419 is a PHP Local File Inclusion (LFI) vulnerability discovered in the AncoraThemes Honor WordPress theme. The vulnerability stems from improper control of filename for include/require statements, allowing attackers to include arbitrary local files on the server. This type of vulnerability can lead to sensitive information disclosure, potential remote code execution, and complete compromise of the affected WordPress installation.

Critical Impact

Attackers can leverage this LFI vulnerability to read sensitive configuration files, access database credentials, or potentially achieve remote code execution through log poisoning or other LFI-to-RCE techniques on WordPress installations running the Honor theme.

Affected Products

• AncoraThemes Honor WordPress Theme versions up to and including 2.3
• WordPress installations using the vulnerable Honor theme

Discovery Timeline

• 2026-03-05 - CVE-2026-22419 published to NVD
• 2026-03-05 - Last updated in NVD database

Technical Details for CVE-2026-22419

Vulnerability Analysis

This vulnerability is classified under CWE-98 (Improper Control of Filename for Include/Require Statement in PHP Program). The Honor WordPress theme by AncoraThemes fails to properly sanitize user-controlled input before passing it to PHP include or require functions. 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 they can expose sensitive files such as wp-config.php, which contains database credentials and authentication keys. Additionally, if an attacker can combine the LFI with log file poisoning or file upload functionality, they may be able to escalate the attack to achieve remote code execution.

Root Cause

The root cause of this vulnerability is inadequate input validation and sanitization in the Honor theme's file inclusion logic. The theme accepts user-controlled parameters that are subsequently used in PHP include(), require(), include_once(), or require_once() statements without proper filtering of path traversal sequences (such as ../) or validation against an allowlist of permitted files.

Attack Vector

An attacker can exploit this vulnerability by crafting malicious requests that manipulate file path parameters to traverse directories and include sensitive files. Typical attack patterns include:

The attacker sends a request to the vulnerable endpoint with manipulated parameters containing directory traversal sequences. For example, an attacker might attempt to traverse to the WordPress root directory to access wp-config.php or to system directories to read /etc/passwd on Linux systems.

The vulnerability can be exploited remotely without authentication, depending on the specific implementation details. Once sensitive files are accessed, attackers can harvest credentials for further attacks or identify additional vulnerabilities in the system configuration.

For detailed technical information about this vulnerability, refer to the Patchstack WordPress Vulnerability Report.

Detection Methods for CVE-2026-22419

Indicators of Compromise

• Unusual requests containing path traversal sequences (../, ..%2f, ..%252f) in URL parameters targeting theme files
• Web server logs showing attempts to access sensitive files like wp-config.php or system files
• Unexpected file access patterns in application logs indicating directory traversal attempts
• Requests to the Honor theme endpoints with encoded or double-encoded path components

Detection Strategies

• Deploy web application firewall (WAF) rules to detect and block path traversal attempts in request parameters
• Implement file integrity monitoring on sensitive WordPress configuration files
• Configure intrusion detection systems to alert on patterns consistent with LFI exploitation attempts
• Review web server access logs for suspicious requests targeting the Honor theme with unusual parameters

Monitoring Recommendations

• Enable verbose logging for the WordPress installation to capture detailed request information
• Monitor for failed file access attempts that may indicate exploitation attempts
• Set up alerts for any access to sensitive files from the web server process
• Implement real-time log analysis to detect path traversal patterns in incoming requests

How to Mitigate CVE-2026-22419

Immediate Actions Required

• Identify all WordPress installations using the AncoraThemes Honor theme version 2.3 or earlier
• Consider temporarily disabling or removing the Honor theme until a patched version is available
• Implement WAF rules to block path traversal attempts targeting the vulnerable theme
• Review server logs for evidence of exploitation attempts

Patch Information

At the time of publication, organizations should check with AncoraThemes for an updated version of the Honor theme that addresses this vulnerability. Monitor the Patchstack WordPress Vulnerability Report for updates on patch availability.

Until a patch is released, organizations should implement compensating controls and consider replacing the theme with a secure alternative.

Workarounds

• Implement strict input validation at the web server or WAF level to filter path traversal sequences
• Apply file system permissions to restrict the web server's access to sensitive files outside the WordPress directory
• Use PHP's open_basedir directive to limit file access to the WordPress installation directory
• Consider using security plugins that provide virtual patching capabilities for known WordPress vulnerabilities

# Example Apache mod_rewrite rule to block path traversal attempts
# Add to .htaccess in WordPress root directory
RewriteEngine On
RewriteCond %{QUERY_STRING} (\.\./|\.\.\\) [NC,OR]
RewriteCond %{QUERY_STRING} (\.\.%2f|\.\.%5c) [NC,OR]
RewriteCond %{QUERY_STRING} (\.\.%252f|\.\.%255c) [NC]
RewriteRule .* - [F,L]