Multiple SQL injection vulnerabilities in PHP-Nuke 7.8 allow remote attackers to modify SQL queries and execute arbitrary PHP code via (1) the username parameter in the Your Account page, (2) the url parameter in the Downloads module, and (3) the description parameter in the Web_Links module.
https://exchange.xforce.ibmcloud.com/vulnerabilities/22851
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-3303
http://www.vupen.com/english/advisories/2005/2191
http://www.securityfocus.com/bid/15178
http://secunia.com/advisories/17315/