CVE-2025-60066: Axiomthemes Katelyn Path Traversal Flaw

CVE-2025-60066 Overview

CVE-2025-60066 is a Local File Inclusion (LFI) vulnerability affecting the Katelyn WordPress theme developed by axiomthemes. This vulnerability stems from improper control of filename parameters used in PHP include/require statements, allowing attackers to include arbitrary local files from the server's filesystem.

The vulnerability is classified under CWE-98 (Improper Control of Filename for Include/Require Statement in PHP Program), which describes a critical class of web application security flaws where user-controlled input is improperly validated before being passed to PHP file inclusion functions.

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 advanced techniques.

Affected Products

• Axiomthemes Katelyn WordPress Theme versions up to and including 1.0.10
• WordPress installations running the vulnerable Katelyn theme
• All sites using cpe:2.3:a:axiomthemes:katelyn:*:*:*:*:*:wordpress:*:*

Discovery Timeline

• 2025-12-18 - CVE-2025-60066 published to NVD
• 2026-04-27 - Last updated in NVD database

Technical Details for CVE-2025-60066

Vulnerability Analysis

This Local File Inclusion vulnerability exists in the Katelyn WordPress theme due to improper control of filename parameters within PHP include or require statements. The vulnerability allows unauthenticated attackers to manipulate file path inputs to include arbitrary local files from the server's filesystem.

While the attack requires network access and can be executed without user interaction, successful exploitation depends on certain conditions being met, making the attack complexity high. When exploited, the vulnerability can lead to significant compromise of confidentiality, integrity, and availability of the affected system.

LFI vulnerabilities in WordPress themes are particularly dangerous because they can expose sensitive configuration files such as wp-config.php, which contains database credentials and authentication keys. Additionally, attackers may chain this vulnerability with other techniques like log poisoning to achieve remote code execution.

Root Cause

The root cause of this vulnerability lies in insufficient input validation and sanitization of user-supplied data before it is passed to PHP's file inclusion functions (include(), require(), include_once(), or require_once()). The Katelyn theme fails to properly restrict or validate the file paths that can be included, allowing directory traversal sequences and arbitrary local file access.

Common implementation flaws that lead to this type of vulnerability include:

• Direct use of user input in file inclusion statements
• Inadequate filtering of directory traversal characters (../)
• Missing whitelist validation for allowed file paths
• Reliance on extension checking that can be bypassed

Attack Vector

The attack vector for CVE-2025-60066 is network-based, meaning attackers can exploit this vulnerability remotely without requiring prior authentication. The typical exploitation flow involves:

1. An attacker identifies vulnerable endpoints in the Katelyn theme that accept file path parameters
2. The attacker crafts malicious requests containing directory traversal sequences
3. By manipulating the file path input, the attacker forces the application to include sensitive local files
4. The contents of included files may be rendered in the response or trigger execution of malicious code

The vulnerability is documented in the Patchstack WordPress Vulnerability Database, which provides additional technical context about the exploitation mechanism. In a typical LFI attack against WordPress themes, attackers target template loading functions or dynamic content inclusion points that improperly handle user-supplied file paths.

Detection Methods for CVE-2025-60066

Indicators of Compromise

• HTTP requests containing directory traversal sequences (../, ..%2f, ..%5c) targeting Katelyn theme files
• Unusual access patterns to the /wp-content/themes/katelyn/ directory
• Web server logs showing attempts to access sensitive files like /etc/passwd, wp-config.php, or log files
• Requests with encoded path traversal patterns in query parameters or POST data

Detection Strategies

• Deploy web application firewall (WAF) rules to detect and block path traversal attempts
• Monitor HTTP request logs for suspicious file inclusion patterns targeting the Katelyn theme
• Implement file integrity monitoring on WordPress installations to detect unauthorized access
• Use WordPress security plugins that can detect exploitation attempts against known vulnerabilities

Monitoring Recommendations

• Enable detailed access logging for the WordPress installation
• Set up alerts for requests containing known LFI attack patterns
• Monitor for unexpected file read operations on the web server
• Review error logs for PHP warnings related to failed file inclusion attempts
• Implement runtime application self-protection (RASP) for real-time threat detection

How to Mitigate CVE-2025-60066

Immediate Actions Required

• Update the Katelyn theme to a patched version if available from axiomthemes
• If no patch is available, consider temporarily disabling or replacing the Katelyn theme
• Implement WAF rules to block path traversal and LFI attack patterns
• Restrict file system permissions to limit the scope of potential file inclusion attacks
• Audit WordPress installations to identify all instances running the vulnerable theme version

Patch Information

As of the last modification date (2026-04-27), users should check the Patchstack vulnerability database for the latest patch status and recommended remediation steps. Contact axiomthemes directly for updated theme versions that address this vulnerability. All versions through 1.0.10 are confirmed vulnerable.

Workarounds

• Implement input validation at the server level using .htaccess rules or web server configuration
• Deploy a web application firewall with LFI/path traversal detection capabilities
• Use WordPress security plugins like Wordfence or Sucuri to add virtual patching
• Restrict PHP's open_basedir to limit file access scope
• Consider switching to an alternative WordPress theme until a patch is available

# Apache .htaccess rule to block common LFI patterns
# Add to WordPress root .htaccess file

<IfModule mod_rewrite.c>
RewriteEngine On
# Block directory traversal attempts
RewriteCond %{QUERY_STRING} (\.\./|\.\.) [NC,OR]
RewriteCond %{QUERY_STRING} (\.\.%2f|%2e%2e) [NC,OR]
RewriteCond %{REQUEST_URI} (\.\./|\.\.) [NC]
RewriteRule .* - [F,L]
</IfModule>

# PHP configuration recommendation (php.ini or .user.ini)
# open_basedir = /var/www/html/