source: http://www.securityfocus.com/bid/8488/info

A file include vulnerability has been reported in the nphpd.php module of newsPHP that may permit an attacker to include and execute malicious script code on a vulnerable host.

The issue is reported to exist in the LangFile variable of nphpd.php module of the software. Successful exploitation may lead to execution of arbitrary code on a vulnerable system by a remote attacker. 

http://www.example.com/nphp/nphpd.php?nphp_config[LangFile]=/evil/file