The SEO LAT Auto Post plugin for WordPress is vulnerable to file overwrite due to a missing capability check on the remote_update AJAX action in all versions up to, and including, 2.2.1. This makes it possible for unauthenticated attackers to overwrite the seo-beginner-auto-post.php file which can be leveraged to achieve remote code execution.
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.