SQL injection vulnerability in merchant.ihtml in iHTML Merchant Version 2 Pro allows remote attackers to execute arbitrary SQL commands via the (1) step, (2) id, and (3) pid parameters.
http://www.vupen.com/english/advisories/2005/2967
http://secunia.com/advisories/18089
http://pridels0.blogspot.com/2005/12/ihtml-merchant-version-2-pro-sql-inj.html