CRLF injection vulnerability in formmail.php in Jetbox CMS 2.1 might allow remote attackers to inject arbitrary e-mail headers via LF (%0A) sequences in the subject parameter, a related issue to CVE-2007-1898.
https://exchange.xforce.ibmcloud.com/vulnerabilities/34292
http://www.vupen.com/english/advisories/2007/1831
http://www.securitytracker.com/id?1018063
http://www.securityfocus.com/archive/1/468644/100/0/threaded