The core BlogAPI module in Drupal 5.x before 5.11 and 6.x before 6.5 does not properly validate unspecified content fields of an internal Drupal form, which allows remote authenticated users to bypass intended access restrictions via modified field values.
Category : Permissions, Privileges, and Access Controls Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.