Frontend Post Submission Manager Lite <= 1.2.6 - Incorrect Authorization to Unauthenticated Arbitrary Attachment Deletion

The Frontend Post Submission Manager Lite – Frontend Posting WordPress Plugin plugin for WordPress is vulnerable to unauthorized loss of data due to an incorrect authorization check on the 'media_delete_action' function in all versions up to, and including, 1.2.6. This makes it possible for unauthenticated attackers to delete arbitrary attachments.