Directory Traversal vulnerability in Gleez GleezCMS v.1.2.0 allows a remote attacker to obtain sensitive information via the action_serve function in media.php
https://github.com/gleez/cms/blob/master/modules/gleez/classes/controller/media.php
https://gist.github.com/hackerx-sk/ac89e49b001402db362414946985ee05