The Car Repair Services & Auto Mechanic WordPress theme before 4.0 did not properly sanitise its serviceestimatekey search parameter before outputting it back in the page, leading to a reflected Cross-Site Scripting issue
https://wpscan.com/vulnerability/39258aba-2449-4214-a490-b8e46945117d
https://themeforest.net/item/car-repair-services-auto-mechanic-wordpress-theme/19823557