SQL injection vulnerability in index.php in 88Script's Event Calendar 2.0 and earlier allows remote attackers to execute arbitrary SQL commands via the m parameter.
http://www.vupen.com/english/advisories/2005/2667
http://secunia.com/advisories/17796
http://pridels0.blogspot.com/2005/11/88scripts-event-calendar-v20-sql-inj.html