The WordPress Google Map Professional (Map In Your Language) WordPress plugin through 1.0 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/33ef27b4-e88f-46ec-9b3f-0a3e16d6f82e/