The Social Share, Social Login and Social Comments WordPress plugin before 7.13.52 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.
https://wpscan.com/vulnerability/fe9b7696-3b0e-42e2-9dbc-55167605f5c5/
https://wpscan.com/vulnerability/fe9b7696-3b0e-42e2-9dbc-55167605f5c5