SQL injection vulnerability in dropbase.php in MitriDAT Web Calendar Pro allows remote attackers to modify internal SQL queries and cause a denial of service (inaccessible database) via the tabls parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24729
http://www.xorcrew.net/xpa/XPA-WebCalendarPro.txt
http://www.vupen.com/english/advisories/2006/0700