Multiple cross-site scripting (XSS) vulnerabilities in Calendarix 0.7.20070307, when register_globals is enabled, allow remote attackers to inject arbitrary web script or HTML via the (1) year and (2) month parameters to calendar.php, and the (3) leftfooter parameter to cal_footer.inc.php.  NOTE: the ycyear parameter to yearcal.php is already covered by CVE-2006-1835.