Cross-site scripting (XSS) vulnerability in ATutor 1.5.1 allows remote attackers to inject arbitrary web script or HTML via (1) course parameter in login.php or (2) words parameter in search.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/21910
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-2650
http://www.securityfocus.com/bid/14598