Cross-site scripting (XSS) vulnerability in editor/dialog/fck_spellerpages/spellerpages/server-scripts/spellchecker.php in FCKeditor before 2.6.11 and earlier allows remote attackers to inject arbitrary web script or HTML via an array key in the textinputs[] parameter, a different issue than CVE-2012-4000.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-3968
http://www.securitytracker.com/id/1030413
http://packetstormsecurity.com/files/126902/FCKeditor-2.6.10-Cross-Site-Scripting.html