Published:2009/01/08 Last Updated:2009/06/19

Information from Six Apart KK

Vulnerability ID:JVN#71945722
Title:Movable Type Enterprise cross-site scripting vulnerability
Status:Vulnerable

This is a statement from the vendor itself with no modification by JPCERT/CC.

This issue is fixed by the version 4.23
http://www.movabletype.org/2008/12/mt_423_is_now_out.html

MT 4.23 Change Log
http://www.movabletype.org/mt_423_change_log.html