Moodle Improper Limitation of a Pathname to a Restricted Directory (Path Traversal) Vulnerability - CVE-2015-1493
Directory traversal vulnerability in the min_get_slash_argument function in lib/configonlylib.php in Moodle through 2.5.9 2.6.x before 2.6.8 2.7.x before 2.7.5 and 2.8.x before 2.8.3 allows remote authenticated users to read arbitrary files via a .. (dot dot) in the file parameter as demonstrated by reading PHP scripts.