This script is Copyright (C) 2013-2016 Recx Ltd.
The remote host is running a vulnerable version of Oracle Apex.
Unprivileged database users can see Oracle Apex password hashes in FLOWS_030000.WWV_FLOW_USER.
See also :
Upgrade Application Express to at least version 4.0.
Risk factor :
Medium / CVSS Base Score : 4.0
CVSS Temporal Score : 3.3
Public Exploit Available : true