Cross-site scripting (XSS) vulnerability in index.php in CS-Cart 1.3.2 allows remote attackers to inject arbitrary web script or HTML via the q parameter in a products search action. NOTE: it was also reported that 1.3.5-SP2 trial edition is also affected.
https://exchange.xforce.ibmcloud.com/vulnerabilities/41306
http://www.securityfocus.com/bid/28333
http://www.securityfocus.com/archive/1/489857/100/0/threaded