Multiple cross-site scripting (XSS) vulnerabilities in Horde Internet Mail Program (IMP) before 6.1.8, as used in Horde Groupware Webmail Edition before 5.1.5, allow remote attackers to inject arbitrary web script or HTML via (1) unspecified flags or (2) a mailbox name in the dynamic mailbox view.
lists.horde.org/archives/announce/2014/001019.html
lists.horde.org/archives/announce/2014/001025.html
secunia.com/advisories/59770
secunia.com/advisories/59772
github.com/horde/horde/blob/4513649810f13a32f1193bdeed76f7d85a5efa05/bundles/webmail/docs/CHANGES
github.com/horde/horde/blob/c0144ac03814a8c2cf6fc5ac0d1af2653e9ee139/imp/docs/CHANGES