source: http://www.securityfocus.com/bid/12931/info

Ublog is affected by a cross-site scripting vulnerability.

An attacker may leverage this issue to have arbitrary script code executed in the browser of an unsuspecting user. This may facilitate the theft of cookie-based authentication credentials as well as other attacks.

Ublog 1.0.4 and prior versions are reportedly affected by this issue. 

http://www.example.com/login.asp?msg=<script>alert(XSS)</script> 