PHP remote file inclusion vulnerability in ftag.php in TribunaLibre 3.12 Beta allows remote attackers to execute arbitrary PHP code via a URL in the mostrar parameter.
https://www.exploit-db.com/exploits/2501
https://exchange.xforce.ibmcloud.com/vulnerabilities/29415
http://www.securityfocus.com/bid/20443
http://www.securityfocus.com/archive/1/448096/100/0/threaded