WikkaWiki Cross Site Scripting Vulnerability

Summary
This host is running WikkaWiki and is prone to cross-site scripting vulnerability.
Impact
Successful exploitation will allow attacker to execute arbitrary HTML and script code in a user's browser session in the context of an affected site. Impact Level: Application
Solution
Upgrade to WikkaWiki 1.3.4-p1 or later, For updates refer to http://www.wikkawiki.org
Insight
Input passed via 'wakka' parameter to 'wikka.php' script is not properly sanitised before being returned to the user.
Affected
WikkaWiki 1.3.4 and probably prior.
Detection
Send a crafted data via HTTP GET request and check whether it is able to read the cookie or not.
References