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.