Directory traversal vulnerability in sendcard.php in Sendcard 3.4.1 and earlier allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the sc_language parameter.
https://www.exploit-db.com/exploits/4029
https://exchange.xforce.ibmcloud.com/vulnerabilities/34697
http://www.vupen.com/english/advisories/2007/2058