Cross-site scripting (XSS) vulnerability in eZ publish 3.7.3 and earlier allows remote attackers to inject arbitrary web script or HTML via the RefererURL parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24956
http://www.securityfocus.com/bid/16817
http://www.securityfocus.com/archive/1/426076/100/0/threaded