Provide references for CVE-2017-15273.
Where can I find more information about CVE-2017-15273?
References are available at: https://mahara.org/interaction/forum/topic.php?id=8081, https://bugs.launchpad.net/mahara/+bug/1719480, https://bugs.launchpad.net/mahara/+bug/1719472, https://bugs.launchpad.net/mahara/+bug/1720034.