Cross-site scripting (XSS) vulnerability in index.php in Tilde CMS 4.x and earlier allows remote attackers to inject arbitrary web script or HTML via the aarstal parameter in a yeardetail action.
https://exchange.xforce.ibmcloud.com/vulnerabilities/38648
http://www.securityfocus.com/bid/26592
http://www.securityfocus.com/archive/1/484206/100/0/threaded