https://github.com/oppia/oppia/blob/3a05c3558a292f3db9e658e60e708c266c003fd0/core/controllers/base.py#L964-L990
https://github.com/oppia/oppia/commit/b89bf808378c1236874b5797a7bda32c77b4af23
https://github.com/oppia/oppia/pull/18769
https://github.com/oppia/oppia/security/advisories/GHSA-49jp-pjc3-2532
|