Timeline view of the new course overview block can show events for activities that user can not yet access because the course is hidden.
| Severity/Risk: | Minor |
| Versions affected: | 3.3 |
| Versions fixed: | 3.3.1 |
| Reported by: | Charles Fulton |
| CVE identifier: | CVE-2017-7531 |
| Changes (master): | http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-59304 |
| Tracker issue: | MDL-59304 Course overview block reveals activities in hidden courses |