Interpretation conflict between Microsoft Internet Explorer and DocuWiki before 2007-06-26b allows remote attackers to inject arbitrary JavaScript and conduct cross-site scripting (XSS) attacks when spellchecking UTF-8 encoded messages via the spell_utf8test function in lib/exe/spellcheck.php, which triggers HTML document identification and script execution by Internet Explorer even though the Content-Type header is text/plain.
https://exchange.xforce.ibmcloud.com/vulnerabilities/35501
http://www.vupen.com/english/advisories/2007/2617
http://www.securityfocus.com/bid/24973
http://www.securityfocus.com/archive/1/474144/100/0/threaded
http://wiki.splitbrain.org/wiki%3Achanges
http://securityreason.com/securityalert/2908
http://secunia.com/advisories/26150
http://bugs.splitbrain.org/index.php?do=details&task_id=1195