I'm a little worried about this issue, so if someone could tell me if in the beta2 i'm using in my joomla site !JoomlaComment4.0 is still having these vulnerabilities.

!JoomlaComment 4.0 beta1
Summary: !JoomlaComment 4.0 beta1, a commenting plugin, suffers from multiple XSS vulnerabilities.
Added November 2009.

http://docs.joomla.org/Vulnerable_Extensions_List

Thanks!

P.d.: Or how to solve it in !JoomlaComment 4.0 beta2.