SQL injection vulnerability in PHP-Nuke before 6.0 allows remote authenticated users to modify the database and gain privileges via the "bio" argument to modules.php.
http://www.securityfocus.com/bid/6088
http://www.iss.net/security_center/static/10516.php
http://www.idefense.com/advisory/10.31.02c.txt
http://marc.info/?l=bugtraq&m=103616324103171&w=2
http://archives.neohapsis.com/archives/vulnwatch/2002-q4/0051.html