Cross-site scripting (XSS) vulnerability in the Language skin object in DotNetNuke before 4.8.4 allows remote attackers to inject arbitrary web script or HTML via "newly generated paths."
https://exchange.xforce.ibmcloud.com/vulnerabilities/43030
http://www.securityfocus.com/bid/29686
http://www.dotnetnuke.com/News/SecurityPolicy/SecurityBulletinno20/tabid/1167/Default.aspx