Due to the nature of our project - being open source - we have decided to patch only the latest major release (currently v1.x) for security vulnerabilities.
Please use [huntr.dev](https://huntr.dev/) for security issues that affect our project. If you believe you have found a vulnerability, please disclose it via [this form](https://huntr.dev/bounties/disclose/?target=https://github.com/flarum/core).