Insufficient capability checks made it possible for a user enrolled in a course to access some details (full name and profile image URL) of other users they did not have permission to access.
| 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: | Khikhi |
| CVE identifier: | CVE-2025-3640 |
| Changes (main): | http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-84750 |
| Tracker issue: | MDL-84750 IDOR in web service allows users enrolled in a course to access some details of other users |