Multiple directory traversal vulnerabilities in the Vitamin plugin before 1.1.0 for WordPress allow remote attackers to access arbitrary files via a .. (dot dot) in the path parameter to (1) add_headers.php or (2) minify.php.
http://www.securityfocus.com/bid/54856
http://www.openwall.com/lists/oss-security/2014/07/28/3