Discourse is an open source platform for community discussion. Tags that are normally private are showing in metadata. This affects any site running the `tests-passed` or `beta` branches >= 3.1.0.beta2. The issue is patched in the latest `beta` and `tests-passed` version of Discourse.
https://github.com/discourse/discourse/security/advisories/GHSA-xx2h-mwm7-hq6q
https://github.com/discourse/discourse/commit/a9f2c6db64e7d78b8e0f55e7bd77c5fe3459b831