Open redirect vulnerability in the Views module before 6.x-2.18, 6.x-3.x before 6.x-3.2, and 7.x-3.x before 7.x-3.10 for Drupal, when the Views UI submodule is enabled, allows remote authenticated users to redirect users to arbitrary web sites and conduct phishing attacks via vectors related to the break lock page for edited views.
https://www.drupal.org/node/2424403
https://www.drupal.org/node/2424103
https://www.drupal.org/node/2424101
https://www.drupal.org/node/2424097