An XSS vulnerability resides in the hostname field of the diag_ping.php page in pfsense before 2.4.5 version. After passing inputs to the command and executing this command, the $result variable is not sanitized before it is printed.
{ "versions": [ { "introduced": "0" }, { "fixed": "2.4.5" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10797.json"