Directory traversal vulnerability in lib/FBView.php in Horde Kronolith H3 before 2.0.7 and 2.1.x before 2.1.4 allows remote attackers to include arbitrary files and execute PHP code via a .. (dot dot) sequence in the view parameter.

Multiple cross-site scripting (XSS) vulnerabilities in Horde Kronolith H3 before 2.0.6 allow remote authenticated users to inject arbitrary web script or HTML via (1) the Calendar name field when creating calendars, (2) event title field when deleting events, the (3) Category and (4) Location search fields, and the (5) attendees email address fields when editing event attendees, and possibly other vectors.