source: http://www.securityfocus.com/bid/9305/info

A vulnerability has been reported to exist in the Survey module of PHP-Nuke that may allow a remote attacker to inject malicious SQL syntax into database queries. The source of this issue is insufficient sanitization of user-supplied input.

A malicious user may influence database queries in order to view or modify sensitive information, potentially compromising the software or the database.

http://www.example.com/php-nuke/modules.php?name=Surveys&pollID=a'[sql_code_here] 