File: /var/www/html/wp-content/plugins/profile-builder/assets/misc/fallback-page.php
<?php
/*
//load WP if needed
$path_to_wp_install_dir = '';
include_once ( $path_to_wp_install_dir.'wp-load.php' );
*/
$site_name = ( isset( $_GET['site_name'] ) ? urldecode( $_GET['site_name'] ) : '' );
$site_url = ( isset( $_GET['site_url'] ) ? urldecode( $_GET['site_url'] ) : '' );
$message = ( isset( $_GET['message'] ) ? urldecode( $_GET['message'] ) : '' );
?>
<html>
<head>
<style type="text/css">
body {font-family:Arial; padding: 5px; margin-top:100px; text-align: center;}
</style>
<title><?php echo htmlspecialchars( $site_name, ENT_QUOTES ); ?></title>
</head>
<body id="wppb_content">
<h1><?php echo htmlspecialchars( $site_name, ENT_QUOTES ); ?></h1>
<?php echo '<p>'. htmlspecialchars( strip_tags( $message ) ). '</p>'; ?>
<?php echo 'Click <a href="'. htmlspecialchars( $site_url, ENT_QUOTES ) .'">here</a> to return to the main site'; ?>
</body>
</html>