Cross-site scripting (XSS) vulnerability in the Your_Account module for PHP-Nuke 5.0 through 6.0 allows remote attackers to inject arbitrary web script or HTML via the user_avatar parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/11229
https://euvd.enisa.europa.eu/vulnerability/EUVD-2003-1390
http://www.securityfocus.com/bid/6750