Direct static code injection vulnerability in shoutbox.php in ShoutPro 1.5.2 allows remote attackers to inject arbitrary PHP code into shouts.php via the shout parameter.
https://www.exploit-db.com/exploits/3758
https://exchange.xforce.ibmcloud.com/vulnerabilities/33727
http://www.vupen.com/english/advisories/2007/1432
http://www.securityfocus.com/archive/1/466037/100/0/threaded
http://securityreason.com/securityalert/2593