source: https://www.securityfocus.com/bid/7108/info

A cross-site scripting vulnerability has been discovered in ClearTrust. Specifically, the login page for the management application is not properly sanitized of some user-supplied values.

An attacker can exploit this vulnerability by creating a specially crafted URL that includes malicious HTML code for the login page used by ClearTrust.

https://victim.com/cleartrust/ct_logon.asp?CTLoginErrorMsg=<script>alert(1)
</script>

https://victim.com/cleartrust/ct_logon.asp?CTAuthMode=BASIC&CTLoginErrorMsg=
xx&ct_orig_uri=">< script>alert(1)/script><"