Cross-site scripting (XSS) vulnerability in Horde_Form in Horde Groupware Webmail Edition before 4.0.6 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, related to email verification. NOTE: Some of these details are obtained from third party information.

Multiple cross-site scripting (XSS) vulnerabilities in Horde IMP before 5.0.18 and Horde Groupware Webmail Edition before 4.0.6 allow remote attackers to inject arbitrary web script or HTML via the (1) composeCache, (2) rtemode, or (3) filename_* parameters to the compose page; (4) formname parameter to the contacts popup window; or (5) IMAP mailbox names. NOTE: some of these details are obtained from third party information.

Horde Kronolith H3 2.1 before 2.1.7 and 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 H3 2.2 before 2.2-RC2; 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 does not validate ownership when performing share changes, which has unknown impact and attack vectors.

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.

Multiple unspecified vulnerabilities in Horde Groupware Webmail before Edition 1.1.1 (final) have unknown impact and attack vectors related to "unescaped output," possibly cross-site scripting (XSS), in the (1) object browser and (2) contact view.