Flag Forge is a Capture The Flag (CTF) platform. In version 2.1.0, non-admin users can create arbitrary challenges, potentially introducing malicious, incorrect, or misleading content. This issue has been patched in version 2.2.0.
https://github.com/FlagForgeCTF/flagForge/security/advisories/GHSA-q7pg-qchv-3pc5