The WP EasyPay – Square for WordPress plugin for WordPress is vulnerable to unauthorized modification of datadue to a missing capability check on the wpep_square_disconnect() function in all versions up to, and including, 4.2.3. This makes it possible for unauthenticated attackers to disconnect square.
The WP EasyPay WordPress plugin before 4.1 does not escape some generated URLs before outputting them back in pages, leading to Reflected Cross-Site Scripting issues which could be used against high privilege users such as admin