ATutor 1.4.1 through 1.5.1-pl1 allows remote attackers to execute arbitrary PHP functions via a direct request to forum.inc.php with a modified addslashes parameter with either the (1) asc or (2) desc parameters set, possibly due to an eval injection vulnerability.

Multiple PHP file inclusion vulnerabilities in ATutor 1.4.1 through 1.5.1-pl1 allow remote attackers to include arbitrary files via the section parameter followed by a null byte (%00) in (1) bodyheader.inc.php and (2) print.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 basehref parameter in translate.php, (2) the basepath parameter in news.inc.php, and (3) the p parameter in addnote.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) indexlist.php and (2) year, (3) month, and (4) day parameter in (b) registration.php.