The _prepopulate_request_walk function in the Prepopulate module 7.x-2.x before 7.x-2.1 for Drupal allows remote attackers to modify the (1) actions, (2) container, (3) token, (4) password, (5) password_confirm, (6) text_format, or (7) markup field type, and consequently have unspecified impact, via unspecified vectors.
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.