The WordPress Contact Forms by Cimatti plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the accua_forms_download_submitted_file() function in all versions up to, and including, 1.9.4. This makes it possible for unauthenticated attackers to download other user submitted forms.
The WordPress Contact Forms by Cimatti plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.9.2. This is due to missing or incorrect nonce validation on the process_bulk_action function. This makes it possible for unauthenticated attackers to delete forms via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.