Cross-site scripting (XSS) vulnerability in user/profile.php in Moodle through 2.3.11, 2.4.x before 2.4.11, 2.5.x before 2.5.7, 2.6.x before 2.6.4, and 2.7.x before 2.7.1 allows remote authenticated users to inject arbitrary web script or HTML via the Skype ID profile field.
https://moodle.org/mod/forum/discuss.php?d=264265
https://github.com/moodle/moodle/commit/ce5a785b0962c3c94c7a7b0d36176482d21db95d
http://www.securityfocus.com/bid/68756
http://www.exploit-db.com/exploits/34169
http://osvdb.org/show/osvdb/109337
http://openwall.com/lists/oss-security/2014/07/21/1
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-45683