Input validation vulnerability in Multiple Admin Emails 1.0

The Multiple Admin Emails plugin for WordPress has a security issue that could allow hackers to manipulate settings and inject harmful code into a website. This vulnerability affects all versions of the plugin, including 1.0. It is caused by a lack of proper validation of a specific function, making it possible for unauthorized individuals to exploit the plugin. They can do this by tricking a site administrator into clicking on a link and submitting a fake request.