On 02/28/04 Cheng Peng Su released the following Advisory:
################################################
Advisory Name:New phpBB ViewTopic.php Cross Site Scripting
Vulnerability
Release Date: Feb 29,2004
Application: phpBB
Platform: PHP
Version Affected: the lastest version
Vendor URL: http://www.phpbb.com/
Discover: Cheng Peng Su(apple_soup_at_msn.com)
################################################
Details:
~ This vuln is similar to Arab VieruZ's advisory 'XSS bug in
phpBB',this time the problem is not in 'highlight' ,but in
'postorder'.we can inject HTML code,such code could be used to steal
cookie information.