Multiple directory traversal vulnerabilities in iScripts AutoHoster, possibly 2.4, allow remote attackers to read arbitrary files via the (1) tmpid parameter to websitebuilder/showtemplateimage.php, (2) fname parameter to admin/downloadfile.php, or (3) id parameter to support/admin/csvdownload.php; or (4) have an unspecified impact via unspecified vectors in support/parser/main_smtp.php.