Cross-site scripting (XSS) vulnerability in calendar.php in Calendarix Advanced 1.5 allows remote attackers to inject arbitrary web script or HTML via the year parameter.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-1868
http://securitytracker.com/alerts/2005/May/1014083.html
http://archives.neohapsis.com/archives/bugtraq/2005-05/0356.html