In Moodle 3.x, there is XSS in the assignment submission page.
{ "binaries": [ { "binary_name": "moodle", "binary_version": "3.0.3+dfsg-0ubuntu1" } ] }
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-2578.json"