Path : /proc/self/root/var/softaculous/webasyst/
File Upload :
Current File : //proc/self/root/var/softaculous/webasyst/thumb.php

<?php
$file = dirname(__FILE__)."/../../../../"."/wa-apps/shop/lib/config/data/thumb.php";

if (file_exists($file)) {
    include($file);
} else {
    header("HTTP/1.0 404 Not Found");
}