ATutor versions 2.2.1 and earlier are vulnerable to a directory traversal and file extension check bypass in the Course component resulting in code execution. ATutor versions 2.2.1 and earlier are vulnerable to a directory traversal vulnerability in the Course Icon component resulting in information disclosure.
http://www.securityfocus.com/bid/99599
http://www.atutor.ca/atutor/mantis/view.php?id=5681
http://www.atutor.ca/atutor/mantis/changelog_page.php?version_id=55