Cross-site request forgery (CSRF) vulnerability in the Registration codes module before 6.x-1.6, 6.x-2.x before 6.x-2.8, and 7.x-1.x before 7.x-1.2 for Drupal allows remote attackers to hijack the authentication of administrators for requests that delete role-rules via unspecified vectors.
https://www.drupal.org/node/2465181
https://www.drupal.org/node/2465179
https://www.drupal.org/node/2465177
https://www.drupal.org/node/2446157
https://www.drupal.org/node/2445955