GUnet Open eClass (aka openeclass) before 3.12.2 allows XSS via the modules/auth/formuser.php auth parameter.
{ "versions": [ { "introduced": "0" }, { "fixed": "3.12.2" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-44266.json"