osTicket before 1.14.3 allows XSS because include/staff/banrule.inc.php has an unvalidated echo $info[‘notes’] call.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16193
Reference (s):
- https://github.com/osTicket/osTicket/pull/5616/commits/fb570820ef1138776f929a179906e1d8089179d9
- https://github.com/osTicket/osTicket/blob/develop/include/staff/banrule.inc.php#L67