CVE-2025-14034: WordPress Plugin Auth Bypass Vulnerability

CVE-2025-14034 Overview

The ilGhera Support System for WooCommerce plugin for WordPress contains a missing authorization vulnerability that allows authenticated attackers with minimal privileges to perform unauthorized actions on support tickets. The vulnerability exists due to missing capability checks on the delete_single_ticket_callback and change_ticket_status_callback functions in all versions up to and including 1.2.6.

Critical Impact

Authenticated attackers with Subscriber-level access can delete arbitrary support tickets and modify their status, leading to unauthorized data modification and potential data loss across the WooCommerce support system.

Affected Products

• ilGhera Support System for WooCommerce plugin for WordPress versions up to and including 1.2.6
• WordPress sites using the vulnerable wc-support-system plugin
• WooCommerce installations with the ilGhera Support System integration

Discovery Timeline

• 2026-01-06 - CVE CVE-2025-14034 published to NVD
• 2026-01-08 - Last updated in NVD database

Technical Details for CVE-2025-14034

Vulnerability Analysis

This vulnerability represents a classic Broken Access Control issue (CWE-862: Missing Authorization) in a WordPress plugin. The ilGhera Support System for WooCommerce fails to properly verify user capabilities before allowing actions on support tickets. WordPress plugins should implement proper capability checks using functions like current_user_can() to ensure only authorized users can perform sensitive operations.

The vulnerability allows any authenticated user with at least Subscriber-level access to manipulate support tickets they should not have access to. This breaks the expected authorization model where only administrators or support agents should manage ticket deletion and status changes.

Root Cause

The root cause lies in the delete_single_ticket_callback and change_ticket_status_callback functions within the class-wc-support-system.php file. These AJAX callback handlers process ticket management requests without first verifying that the requesting user has appropriate capabilities or ownership of the ticket. The functions are accessible via WordPress AJAX hooks, meaning any authenticated user can invoke them directly.

Attack Vector

An attacker can exploit this vulnerability remotely over the network. The attack requires authentication but only needs Subscriber-level privileges, which is the lowest authenticated role in WordPress. The attacker can craft AJAX requests to the vulnerable callback functions, supplying arbitrary ticket IDs to delete tickets or change their status.

The exploitation is straightforward: after authenticating as a subscriber, an attacker sends POST requests to wp-admin/admin-ajax.php with the action parameter set to the vulnerable callback names and includes target ticket identifiers. Without proper authorization checks, the server processes these requests, allowing the attacker to enumerate and manipulate all support tickets in the system.

Detection Methods for CVE-2025-14034

Indicators of Compromise

• Unexpected support ticket deletions appearing in WordPress or plugin audit logs
• Multiple ticket status changes originating from low-privilege user accounts
• AJAX requests to admin-ajax.php with delete_single_ticket_callback or change_ticket_status_callback actions from subscriber accounts
• Anomalous patterns of ticket modifications not corresponding to legitimate support workflows

Detection Strategies

• Monitor WordPress AJAX request logs for calls to the vulnerable callback functions from non-administrator users
• Implement web application firewall (WAF) rules to flag suspicious ticket manipulation patterns
• Review user activity logs for Subscriber accounts performing ticket management operations
• Enable detailed logging on the WordPress admin-ajax.php endpoint

Monitoring Recommendations

• Configure security plugins to alert on unusual ticket deletion or status change volumes
• Implement audit logging that tracks user role alongside ticket management actions
• Set up real-time monitoring for AJAX callbacks associated with the Support System plugin
• Review access logs for patterns of enumeration attempts against ticket IDs

How to Mitigate CVE-2025-14034

Immediate Actions Required

• Update the ilGhera Support System for WooCommerce plugin to a patched version immediately
• Audit recent ticket activity for signs of unauthorized modifications or deletions
• Review user accounts for any suspicious subscriber-level registrations
• Consider temporarily disabling the plugin if an immediate update is not available

Patch Information

A security patch has been released to address this vulnerability. The fix adds proper capability checks to the delete_single_ticket_callback and change_ticket_status_callback functions. Plugin users should update through the WordPress plugin repository. For technical details on the changes, see the WordPress Plugin Change Set. Additional analysis is available in the Wordfence Vulnerability Analysis.

Workarounds

• Restrict user registration on the WordPress site to prevent attackers from obtaining authenticated access
• Remove or disable the ilGhera Support System for WooCommerce plugin until patched
• Implement server-level access controls to limit AJAX endpoint access by user role
• Use a security plugin to block requests to the vulnerable AJAX actions from non-administrator users

# Example: Block vulnerable AJAX actions at the web server level (Apache .htaccess)
# Add to WordPress root .htaccess as a temporary workaround
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{REQUEST_URI} ^.*admin-ajax\.php$ [NC]
RewriteCond %{QUERY_STRING} action=(delete_single_ticket_callback|change_ticket_status_callback) [NC]
RewriteCond %{HTTP_COOKIE} !wordpress_logged_in.*administrator [NC]
RewriteRule .* - [F,L]
</IfModule>