Happycgi.com Happymall 4.3 and 4.4 allows remote attackers to execute arbitrary commands via shell metacharacters in the file parameter for the (1) normal_html.cgi or (2) member_html.cgi scripts.
http://securitytracker.com/id?1006707
http://archives.neohapsis.com/archives/vulnwatch/2003-q2/0058.html