eGroupware before 1.8.006.20140217 allows remote attackers to conduct PHP object injection attacks, delete arbitrary files, and possibly execute arbitrary code via the (1) addr_fields or (2) trans parameter to addressbook/csv_import.php, (3) cal_fields or (4) trans parameter to calendar/csv_import.php, (5) info_fields or (6) trans parameter to csv_import.php in (a) projectmanager/ or (b) infolog/, or (7) processed parameter to preferences/inc/class.uiaclprefs.inc.php.