Cross-site request forgery (CSRF) vulnerability in enrol/imsenterprise/importnow.php in Moodle through 2.3.11, 2.4.x before 2.4.9, 2.5.x before 2.5.5, and 2.6.x before 2.6.2 allows remote attackers to hijack the authentication of administrators for requests that import an IMS Enterprise file.
https://github.com/advisories/GHSA-4wvg-7886-83gv
https://moodle.org/mod/forum/discuss.php?d=256423
http://openwall.com/lists/oss-security/2014/03/17/1
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-43146