Insufficient capability checks made it possible to remove other users' calendar URL subscriptions.
| Severity/Risk: | Minor |
| Versions affected: | 3.11, 3.10 to 3.10.4, 3.9 to 3.9.7 and earlier unsupported versions |
| Versions fixed: | 3.11.1, 3.10.5 and 3.9.8 |
| Reported by: | Floerer |
| CVE identifier: | CVE-2021-36400 |
| Changes (master): | http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-71978 |
| Tracker issue: | MDL-71978 IDOR allows removal of other users' calendar URL subscriptions |