CVE-2006-3319
Cross-site scripting (XSS) vulnerability in rss/index.php in PHP iCalendar 2.22 and earlier allows remote attackers to inject arbitrary web script or HTML via the cal parameter.
Date published : 2006-06-29
http://www.securityfocus.com/archive/1/438621/100/0/threaded
http://kurdishsecurity.blogspot.com/2006/06/kurdish-security-12-php-icalendar.html