mondula2016 vulnerabilities and threats

The Multi Step Form plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation via the import functionality in all versions up to, and including, 1.7.25. This makes it possible for authenticated attackers, with Administrator-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

The Multi Step Form plugin for WordPress is vulnerable to unauthorized limited file upload due to a missing capability check on the fw_upload_file AJAX action in all versions up to, and including, 1.7.23. This makes it possible for unauthenticated attackers to upload limited file types such as images.

Missing Authorization vulnerability in mondula2016 Multi Step Form multi-step-form allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Multi Step Form: from n/a through <= 1.7.21.