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.
Multiple cross-site scripting (XSS) vulnerabilities in ATutor 1.4.1 through 1.5.1-pl1 allow remote attackers to inject arbitrary web script or HTML via (1) the _base_href parameter in translate.php, (2) the _base_path parameter in news.inc.php, and (3) the p parameter in add_note.php.
Multiple cross-site scripting (XSS) vulnerabilities in ATutor 1.5.3 allow remote attackers to inject arbitrary web script or HTML via the (1) lang parameter in (a) index_list.php and (2) year, (3) month, and (4) day parameter in (b) registration.php.