CVE-2010-1135
The user_logout function in TikiWiki CMS/Groupware 4.x before 4.2 does not properly delete user login cookies, which allows remote attackers to gain access via cookie reuse.
Date published : 2010-03-26
http://www.securityfocus.com/bid/38608
http://info.tikiwiki.org/article86-Tiki-Announces-3-5-and-4-2-Releases