source: http://www.securityfocus.com/bid/10190/info
  
Multiple vulnerabilities were reported to exist in phProfession, which is a third-party module for PostNuke. Path disclosure, cross-site scripting and SQL injection vulnerabilities were reported.
  
Exploitation of these issues may reveal sensitive information, allow for account hijacking, content manipulation and attacks against the underlying database.
  
These issues were reported to exist in phProfession 2.5. Other versions may also be affected.

http://www.example.com/postnuke0726/modules.php?op=modload&name=phprofession&file=upload&jcode=[xss code here]