Mahara 1.9 before 1.9.7 and 1.10 before 1.10.5 and 15.04 before 15.04.2 are vulnerable to anonymous comments being able to be placed on artefact detail pages even when the site administrator had disallowed anonymous comments.

Mahara 15.04 before 15.04.9 and 15.10 before 15.10.5 and 16.04 before 16.04.3 are vulnerable to a group's configuration page being editable by any group member even when they didn't have the admin role.

Mahara 1.10 before 1.10.0 and 15.04 before 15.04.0 are vulnerable to possible cross site scripting when adding a text block to a page via the keyboard (rather than drag and drop).

Mahara 1.9 before 1.9.8 and 1.10 before 1.10.6 and 15.04 before 15.04.3 are vulnerable to perform a cross-site request forgery (CSRF) attack on the uploader contained in Mahara's filebrowser widget. This could allow an attacker to trick a Mahara user into unknowingly uploading malicious files into their Mahara account.

Mahara 15.04 before 15.04.10 and 15.10 before 15.10.6 and 16.04 before 16.04.4 are vulnerable to incorrect access control after the password reset link is sent via email and then user changes default email, Mahara fails to invalidate old link.Consequently the link in email can be used to gain access to the user's account.

Mahara 1.8 before 1.8.7 and 1.9 before 1.9.5 and 1.10 before 1.10.3 and 15.04 before 15.04.0 are vulnerable to a maliciously created .xml file that can have its code executed when user tries to download the file.

Mahara 1.10 before 1.10.9 and 15.04 before 15.04.6 and 15.10 before 15.10.2 are vulnerable to XSS due to window.opener (target="_blank" and window.open())

Mahara 15.04 before 15.04.13 and 16.04 before 16.04.7 and 16.10 before 16.10.4 and 17.04 before 17.04.2 are vulnerable to recording plain text passwords in the event_log table during the user creation process if full event logging was turned on.

Mahara 15.04 before 15.04.9 and 15.10 before 15.10.5 and 16.04 before 16.04.3 are vulnerable to passwords or other sensitive information being passed by unusual parameters to end up in an error log.

Mahara 1.8 before 1.8.7 and 1.9 before 1.9.5 and 1.10 before 1.10.3 and 15.04 before 15.04.0 are vulnerable to a maliciously created .swf files that can have its code executed when a user tries to download the file.