Moodle 2.3.x before 2.3.1 uses only a client-side check for whether references are permitted in a file upload, which allows remote authenticated users to bypass intended alias (aka shortcut) restrictions via a client that omits this check.
| Software | From | Fixed in |
|---|---|---|
moodle / moodle
|
2.3.0 | 2.3.0.x |