SQL injection vulnerability in PHP-Nuke before 7.8 Patched 3.2 allows remote attackers to execute arbitrary SQL commands via encoded /%2a (/*) sequences in the query string, which bypasses regular expressions that are intended to protect against SQL injection, as demonstrated via the kala parameter.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2006-0911
http://www.waraxe.us/advisory-47.html
http://www.securityfocus.com/archive/1/426083/100/0/threaded