ghsa

In a shared hosting environment that has been misconfigured to allow access to other users' content, a Moodle user who also has direct access to the web server outside of the Moodle webroot could utilise a local file include to achieve remote code execution.

Separate Groups mode restrictions were not honoured in the forum summary report, which would display users from other groups.

H5P metadata automatically populated the author with the user's username, which could be sensitive information.

Stronger revision number limitations were required on file serving endpoints to improve cache poisoning protection.

Wiki comments required additional sanitizing and access restrictions to prevent a stored XSS risk and potential IDOR risk.

Insufficient web service capability checks made it possible to move categories a user had permission to manage, to a parent category they did not have the capability to manage.

A remote code execution risk was identified in the IMSCP activity. By default this was only available to teachers and managers.

The CSV grade import method contained an XSS risk for users importing the spreadsheet, if it contained unsafe content.

A remote code execution risk was identified in the Lesson activity. By default this was only available to teachers and managers.

ID numbers displayed in the quiz grading report required additional sanitizing to prevent a stored XSS risk.