Multiple SQL injection vulnerabilities in Ezyhelpdesk 1.0 allow remote attackers to execute arbitrary SQL commands via the (1) edit_id, (2) faq_id, and (3) c_id parameters in a query string, and (4) the search engine, possibly involving the search_string parameter.
http://www.vupen.com/english/advisories/2005/2560
http://www.securityfocus.com/bid/15553
http://secunia.com/advisories/17696
http://pridels0.blogspot.com/2005/11/ezyhelpdesk-multiple-sql-inj.html