Absolute path traversal vulnerability in include/user/download.php in the Swim Team plugin 1.44.10777 for WordPress allows remote attackers to read arbitrary files via a full pathname in the file parameter.
https://wordpress.org/support/topic/security-vulnerability-6
http://www.securityfocus.com/bid/75600
http://michaelwalsh.org/blog/2015/07/wp-swimteam-v1-45-beta-3-now-available/