Directory traversal vulnerability in (1) edit_mailtexte.cgi and (2) bestmail.cgi in Cosmoshop 8.11.106 and earlier allows remote administrators to read arbitrary files via ".." sequences in the file parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26533
http://www.securityfocus.com/archive/1/434368/100/0/threaded