Directory traversal vulnerability in the GCalendar (com_gcalendar) component 2.1.5 for Joomla! allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the controller parameter to index.php.
SQL injection vulnerability in the Google Calendar GCalendar (com_gcalendar) component 1.1.2, 2.1.4, and possibly earlier versions for Joomla! allows remote attackers to execute arbitrary SQL commands via the gcid parameter. NOTE: some of these details are obtained from third party information.