An authentication bypass risk was identified in the external database authentication functionality, due to a type juggling vulnerability

In Moodle 3.8, messages required extra sanitizing before updating the conversation overview, to prevent the risk of stored cross-site scripting

Insufficient escaping of the LaTeX preamble made it possible for site administrators to read files available to the HTTP server system account

The H5P activity attempts report did not filter by groups, which in separate groups mode could reveal information to non-editing teachers about attempts/users in groups they…

In Moodle before 3.8.2, 3.7.5, 3.6.9 and 3.5.11, users viewing the grade history report without the 'access all groups' capability were not restricted to viewing grades of users…

A session hijack risk was identified in the Shibboleth authentication plugin

It was possible for a student to view their quiz grade before it had been released, using a quiz web service

Insufficient capability checks made it possible for teachers to download users outside of their courses