Directory traversal vulnerability in agregar_info.php in GradMan 0.1.3 and earlier allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the tabla parameter.
https://www.exploit-db.com/exploits/4926
https://exchange.xforce.ibmcloud.com/vulnerabilities/39732
http://www.securityfocus.com/bid/27324
http://www.securityfocus.com/archive/1/486444/100/0/threaded