SQL injection vulnerability in view_cat.php in PHP Realtor 1.5 allows remote attackers to execute arbitrary SQL commands via the v_cat parameter.
https://www.exploit-db.com/exploits/6694
https://exchange.xforce.ibmcloud.com/vulnerabilities/45726
http://www.securityfocus.com/bid/31623
http://selectdevelopment.com/products/phprealtor/changelog.php