Cross-site scripting (XSS) vulnerability in Horde Nag Task List Manager before 1.1.3 allows remote attackers to inject arbitrary web script or HTML via the parent's frame page title.
http://secunia.com/advisories/15079
http://lists.horde.org/archives/nag/Week-of-Mon-20050418/000756.html
http://cvs.horde.org/diff.php/nag/docs/CHANGES?r1=1.54.2.33&r2=1.54.2.35&ty=h