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.
Unspecified cross-site scripting (XSS) vulnerability in Horde before 2.2.9 allows remote attackers to inject arbitrary web script or HTML via "not properly escaped error messages".
Multiple cross-site scripting (XSS) vulnerabilities in Horde 3.0 allow remote attackers to inject arbitrary web script or HTML via the (1) group parameter to prefs.php or (2) url parameter to index.php.
Cross-site scripting vulnerability in status.php3 for IMP 2.2.8 and HORDE 1.2.7 allows remote attackers to execute arbitrary web script and steal cookies of other IMP/HORDE users via the script parameter.