PHP remote file inclusion vulnerability in panel/common/theme/default/header_setup.php in WebBiscuits Software Events Calendar 1.1 allows remote attackers to execute arbitrary PHP code via a URL in the (1) path[docroot] and (2) component parameters.
https://www.exploit-db.com/exploits/6623
https://exchange.xforce.ibmcloud.com/vulnerabilities/45500
http://www.vupen.com/english/advisories/2008/2701