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.
git.horde.org/horde-git/-/commit/d865c564beb6e98532880aa51a04a79f3311cd1e
lists.horde.org/archives/announce/2012/000836.html
lists.opensuse.org/opensuse-updates/2012-12/msg00019.html
secunia.com/advisories/51233
secunia.com/advisories/51469
www.openwall.com/lists/oss-security/2012/11/23/3
www.openwall.com/lists/oss-security/2012/11/23/7
www.osvdb.org/87345
www.securityfocus.com/bid/56541
bugzilla.redhat.com/show_bug.cgi?id=879684
github.com/horde/horde/blob/d3dda2d47fad7eb128a0091e732cded0c2601009/kronolith/docs/CHANGES