Cross-site scripting (XSS) vulnerability in index.pl in Ultimate Estate 1.0 and earlier allows remote attackers to inject arbitrary web script or HTML via the cat parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/27274
http://www.vupen.com/english/advisories/2006/2475
http://www.securityfocus.com/bid/18573
http://secunia.com/advisories/20761
http://pridels0.blogspot.com/2006/06/ultimate-estate-vuln.html