WordPress Mediumish theme 1.0.47 and prior contains an unauthenticated reflected cross-site scripting vulnerability. The āsā GET parameter is not properly sanitized by the search feature before it is output back on the page.
View the template here CVE-2021-24316.yaml
References:
https://wpscan.com/vulnerability/57e27de4-58f5-46aa-9b59-809705733b2e