The Views Bulk Operations (VBO) module 6.x-1.x and 7.x-3.x before 7.x-3.3 for Drupal, when the bulk operation for changing Roles is enabled, allows remote authenticated users to edit user accounts and add arbitrary roles to the accounts by leveraging access to a user account listing view with VBO enabled.

Unspecified vulnerability in the Views Bulk Operations module 6 before 6.x-1.10 for Drupal allows remote authenticated users with user management permissions to bypass intended access restrictions and delete anonymous users (user 0) via unspecified vectors.

Unspecified vulnerability in Views Bulk Operations 5.x-1.x before 5.x-1.4 and 6.x-1.x before 6.x-1.7, a module for Drupal, allows remote attackers to bypass intended access restrictions and modify "nodes or classes of nodes" via unknown vectors, probably related to registered procedures (aka actions).

Cross-site scripting (XSS) vulnerability in the theme_views_bulk_operations_confirmation function in views_bulk_operations.module in Views Bulk Operations 5.x before 5.x-1.3 and 6.x before 6.x-1.4, a module for Drupal, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors related to node titles. NOTE: some of these details are obtained from third party information.