Jiangnan Online Judge (aka jnoj) 0.8.0 has XSS via the Problem[description] parameter to web/admin/problem/create or web/polygon/problem/update.
{ "versions": [ { "introduced": "0" }, { "last_affected": "0.8.0" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-17491.json"