Horde Application Framework 3.0.9 allows remote attackers to read arbitrary files via a null character in the url parameter in services/go.php, which bypasses a sanity check.
Multiple cross-site scripting (XSS) vulnerabilities in Horde before 3.0.7 allow remote attackers to inject arbitrary web script or HTML via the (1) gzip/tar and (2) css MIME viewers, which do not filter or escape dangerous HTML when extracting and displaying attachments.