Cross-site request forgery (CSRF) vulnerability in the Node Invite module before 6.x-2.5 for Drupal allows remote attackers to hijack the authentication of users with the "node_invite_can_manage_invite" permission for requests that re-enable node invitations via unspecified vectors.
https://www.drupal.org/node/2415899
https://www.drupal.org/node/2415541