The Add Post URL WordPress plugin through 2.1.0 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 Cross-Site Scripting due to the lack of sanitisation and escaping
https://wpscan.com/vulnerability/2cafef43-e64a-4897-8c41-f0ed473d7ead