The Clean-Contact WordPress plugin through 1.6 does not have CSRF check in place when updating its settings, which could allow attackers to make a logged in admin change them via a CSRF attack and lead to Stored XSS due to the lack of sanitisation and escaping as well
https://wpscan.com/vulnerability/8c8dad47-8591-47dc-b84f-8c5cb18b2d78