The BSK Contact Form 7 Blacklist WordPress plugin through 1.0.1 does not sanitise and escape the inserted_count 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/9997fe8d-8027-4ae0-9885-a1f5565f2d1a