Cross-site request forgery (CSRF) vulnerability in the widget-editing accessibility-mode feature in WordPress before 4.7.1 allows remote attackers to hijack the authentication of unspecified victims for requests that perform a widgets-access action, related to wp-admin/includes/class-wp-screen.php and wp-admin/widgets.php.
https://wpvulndb.com/vulnerabilities/8720
https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/
https://github.com/WordPress/WordPress/commit/03e5c0314aeffe6b27f4b98fef842bf0fb00c733
https://codex.wordpress.org/Version_4.7.1
http://www.securitytracker.com/id/1037591
http://www.securityfocus.com/bid/95407