The Export All URLs WordPress plugin before 4.6 does not sanitise and escape a parameter before outputting them back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin
The Export All URLs WordPress plugin before 4.4 does not validate the path of the file to be removed on the system which is supposed to be the CSV file. This could allow high privilege users to delete arbitrary file from the server