Unspecified vulnerability in the Horde API in Horde 3.1 before 3.1.6 and 3.2 before 3.2 before 3.2-RC2; Turba H3 2.1 before 2.1.6 and 2.2 before 2.2-RC2; Kronolith H3 2.1 before 2.1.7 and H3 2.2 before 2.2-RC2; Nag H3 2.1 before 2.1.4 and 2.2 before 2.2-RC2; Mnemo H3 2.1 before 2.1.2 and 2.2 before 2.2-RC2; Horde Groupware 1.0 before 1.0.3 and 1.1 before 1.1-RC2; and Groupware Webmail Edition 1.0 before 1.0.4 and 1.1 before 1.1-RC2 has unknown impact and attack vectors.

Cross-site scripting (XSS) vulnerability in the contact display view in Turba Contact Manager H3 before 2.2.1 allows remote attackers to inject arbitrary web script or HTML via the contact name.

Cross-site scripting (XSS) vulnerability in imp/test.php in Horde Turba Contact Manager H3 2.2.1 and other versions before 2.3.1, and possibly other Horde Project products, allows remote attackers to inject arbitrary web script or HTML via the User field in an IMAP session.