Multiple SQL injection vulnerabilities in Calendarix Basic 0.7.20060401 and earlier, with magic_quotes_gpc disabled, allow remote attackers to execute arbitrary SQL commands via the id parameter in (1) cal_event.php and (2) cal_popup.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/27186
http://www.vupen.com/english/advisories/2006/2360
http://securitytracker.com/id?1016324