Geeklog Calendar Plugin Cross Site Scripting Vulnerability

Summary
This host is running Geeklog and is prone to cross site scripting vulnerability.
Impact
Successful exploitation will allow remote attackers to steal the victim's cookie-based authentication credentials. Impact Level: Application
Solution
Upgrade to version 1.8.2sr1, 2.0.0rc2 or later, For updates refer to https://www.geeklog.net
Insight
The flaw is due to input passed via the 'calendar_type' parameter to 'submit.php', which is not properly sanitised before using it.
Affected
Geeklog 1.8.2 and 2.0.0, Other versions may also be affected.
Detection
Send a crafted exploit string via HTTP POST request and check whether it is able to read the string or not.
References