Moodle before 2.2.2 has Personal information disclosure, when administrative setting users name display is set to first name only full names are shown in page breadcrumbs.
Moodle has a database activity export permission issue where the export function of the database activity module exports all entries even those from groups the user does not belong to
A flaw was found in moodle before versions 3.7.1, 3.6.5, 3.5.7. Users with permission to delete entries from a glossary were able to delete entries from other glossaries they did not have direct access to.
A flaw was found in moodle before versions 3.7.1, 3.6.5, 3.5.7. Teachers in a quiz group could modify group overrides for other groups in the same quiz.
A flaw was found in moodle before versions 3.7.1, 3.6.5, 3.5.7. Teachers in an assignment group could modify group overrides for other groups in the same assignment.
A vulnerability was found in moodle before versions 3.6.3, 3.5.5, 3.4.8 and 3.1.17. Users with the "login as other users" capability (such as administrators/managers) can access other users' Dashboards, but the JavaScript those other users may have added to their Dashboard was not being escaped when being viewed by the user logging in on their behalf.