Multiple cross-site scripting (XSS) vulnerabilities in calendar.class.php in ApPHP Calendar (ApPHP CAL) allow remote attackers to inject arbitrary web script or HTML via the (1) category_name, (2) category_description, (3) event_name, or (4) event_description parameter.

Multiple cross-site request forgery (CSRF) vulnerabilities in calendar.class.php in ApPHP Calendar (ApPHP CAL) allow remote attackers to hijack the authentication of unspecified victims for requests that use the (1) category_name, (2) category_description, (3) event_name, or (4) event_description parameter.