webservice/upload.php in Moodle 2.6.x before 2.6.6 and 2.7.x before 2.7.3 does not ensure that a file upload is for a private or draft area, which allows remote authenticated users to upload files containing JavaScript, and consequently conduct cross-site scripting (XSS) attacks, by specifying the profile-picture area.
git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-47868
openwall.com/lists/oss-security/2014/11/17/11
github.com/moodle/moodle
github.com/moodle/moodle/commit/2f87351d5480f562d6811cdf3bea032612e0325e
github.com/moodle/moodle/commit/76ae1f6068f63149acc2d8c362af94067f4a227d
github.com/moodle/moodle/commit/ea1fbc00285514242d620ea017e187eb139deedb
moodle.org/mod/forum/discuss.php?d=275161
nvd.nist.gov/vuln/detail/CVE-2014-7835
web.archive.org/web/20150914064838/www.securitytracker.com/id/1031215