The Float menu WordPress plugin before 5.0.2, Bubble Menu WordPress plugin before 3.0.4, Button Generator WordPress plugin before 2.3.5, Calculator Builder WordPress plugin before 1.5.1, Counter Box WordPress plugin before 1.2.2, Floating Button WordPress plugin before 5.3.1, Herd Effects WordPress plugin before 5.2.2, Popup Box WordPress plugin before 2.2.2, Side Menu Lite WordPress plugin before 4.0.2, Sticky Buttons WordPress plugin before 3.1.1, Wow Skype Buttons WordPress plugin before 4.0.2, WP Coder WordPress plugin before 2.5.6 do not escape the page parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin
https://wpscan.com/vulnerability/27e70507-fd68-4915-88cf-0b96ed55208e