index.php in eTicket 1.5.5.1 and earlier allows remote attackers to obtain sensitive information via the (1) name[], (2) email[], (3) phone[], or (4) subject[] parameters, which reveals the installation path in the resulting error messages.
https://exchange.xforce.ibmcloud.com/vulnerabilities/35122
http://www.securityfocus.com/archive/1/472431/100/0/threaded