github_osv/GHSA-93wh-35r4-6qmw
Moodle allowed some users without permission to view other users' full names
It was possible for some users without permission to view other users' full names to do so via the online users block in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.
gitlab/packagist/moodle/moodle/CVE-2021-20281
Information Exposure
It was possible for some users without permission to view other users' full names to do so via the online users block in moodle