formmail.php in Jetbox CMS 2.1 allows remote attackers to send arbitrary e-mails (spam) via modified recipient, _SETTINGS[allowed_email_hosts][], and subject parameters.Referenceshttps://exchange.xforce.ibmcloud.com/vulnerabilities/34292http://www.netvigilance.com/advisory0026http://securityreason.com/securityalert/2710http://www.vupen.com/english/advisories/2007/1831http://www.securityfocus.com/archive/1/468644/100/0/threadedhttp://www.securitytracker.com/id?1018063http://www.osvdb.org/34088http://www.securityfocus.com/bid/23989