Description
A flaw was found in Moodle. Insufficient capability checks made it possible for a user enrolled in a course to access some details, such as the full name and profile image URL, of other users they did not have permission to access.
Problem types
Authorization Bypass Through User-Controlled Key
Product status
4.5.0 (semver) before 4.5.4
4.4.0 (semver) before 4.4.8
4.3.0 (semver) before 4.3.12
4.1.0 (semver) before 4.1.18
Timeline
| 2025-04-15: | Reported to Red Hat. |
| 2025-04-22: | Made public. |
Credits
Red Hat would like to thank Khikhi for reporting this issue.
References
access.redhat.com/security/cve/CVE-2025-3640
bugzilla.redhat.com/show_bug.cgi?id=2359734 (RHBZ#2359734)
moodle.org/mod/forum/discuss.php?d=467601