Multiple cross-site scripting (XSS) vulnerabilities in Horde Kronolith Calendar Application H4 before 3.0.18, as used in Horde Groupware Webmail Edition before 4.0.9, allow remote attackers to inject arbitrary web script or HTML via crafted event location parameters in the (1) month, (2) monthlist, or (3) prevmonthlist fields, related to portal blocks.
https://github.com/horde/horde/blob/d3dda2d47fad7eb128a0091e732cded0c2601009/kronolith/docs/CHANGES
https://bugzilla.redhat.com/show_bug.cgi?id=879684
http://www.securityfocus.com/bid/56541
http://www.openwall.com/lists/oss-security/2012/11/23/7
http://www.openwall.com/lists/oss-security/2012/11/23/3
http://secunia.com/advisories/51469
http://secunia.com/advisories/51233
http://lists.opensuse.org/opensuse-updates/2012-12/msg00019.html
http://lists.horde.org/archives/announce/2012/000836.html
http://git.horde.org/horde-git/-/commit/d865c564beb6e98532880aa51a04a79f3311cd1e