An issue was discovered in phpMyAdmin. phpinfo (phpinfo.php) shows PHP information including values of HttpOnly cookies. All 4.6.x versions (prior to 4.6.5), 4.4.x versions (prior to 4.4.15.9), and 4.0.x versions (prior to 4.0.10.18) are affected.
https://www.phpmyadmin.net/security/PMASA-2016-59