SQL injection vulnerability in index.php in Relative Real Estate Systems 1.02 and earlier allows remote attackers to execute arbitrary SQL commands via the mls parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/23435
http://www.vupen.com/english/advisories/2005/2723
http://www.securityfocus.com/bid/15714
http://secunia.com/advisories/17846
http://pridels0.blogspot.com/2005/12/relative-real-estate-systems-sql-inj.html