Multiple directory traversal vulnerabilities in Exero CMS 1.0.0 and 1.0.1 allow remote attackers to include and execute arbitrary local files via a .. (dot dot) in the theme parameter to (1) custompage.php, (2) errors/404.php, (3) members/memberslist.php, (4) members/profile.php, (5) news/fullview.php, (6) news/index.php, (7) nopermission.php, (8) usercp/avatar.php, or (9) usercp/editpassword.php in themes/Default/.  NOTE: some of these details are obtained from third party information.