Multiple cross-site scripting (XSS) vulnerabilities in LetterGrade allow remote attackers to inject arbitrary web script or HTML via (1) a student's email address, (2) the year parameter to genbrws/Student/cal_month.php3, and other unspecified vectors related to the calendar. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
Improper Neutralization of Input During Web Page Generation The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.