Cross-site scripting (XSS) vulnerability in mod/wiki/lang/en/wiki.php in Moodle 2.0.x before 2.0.5 and 2.1.x before 2.1.2 allows remote attackers to inject arbitrary web script or HTML via the section parameter.
https://bugzilla.redhat.com/show_bug.cgi?id=747444
http://moodle.org/mod/forum/discuss.php?d=188321
http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=41017112cff7f5bd7969c72d321320f3090e7c68