Multiple cross-site scripting (XSS) vulnerabilities in Horde Application Framework 3.0.0 through 3.0.10 and 3.1.0 through 3.1.1 allow remote attackers to inject arbitrary web script or HTML via a (1) javascript URI or an external (2) http, (3) https, or (4) ftp URI in the url parameter in services/go.php (aka the dereferrer), (5) a javascript URI in the module parameter in services/help (aka the help viewer), and (6) the name parameter in services/problem.php (aka the problem reporting screen).
https://exchange.xforce.ibmcloud.com/vulnerabilities/27589
http://www.vupen.com/english/advisories/2006/2694
http://www.securityfocus.com/bid/18845
http://www.securityfocus.com/archive/1/439255/100/0/threaded
http://www.novell.com/linux/security/advisories/2006_19_sr.html
http://www.debian.org/security/2007/dsa-1406
http://securityreason.com/securityalert/1229
http://secunia.com/advisories/27565
http://secunia.com/advisories/21459
http://secunia.com/advisories/20954
http://lists.horde.org/archives/announce/2006/000288.html
http://lists.horde.org/archives/announce/2006/000287.html
http://lists.grok.org.uk/pipermail/full-disclosure/2006-July/047687.html