Insufficient capability checks in a messaging web service made it possible to view other users' names and online status.
| Severity/Risk: | Minor |
| Versions affected: | 4.5 to 4.5.3, 4.4 to 4.4.7, 4.3 to 4.3.11, 4.1 to 4.1.17 and earlier unsupported versions |
| Versions fixed: | 4.5.4, 4.4.8, 4.3.12 and 4.1.18 |
| Reported by: | ostapbender |
| CVE identifier: | CVE-2025-3645 |
| Changes (main): | http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-72704 |
| Tracker issue: | MDL-72704 IDOR in messaging web service allows access to some user details |