Discourse is the an open source discussion platform. In affected versions an email activation route can be abused to send mass spam emails. A fix has been included in the latest stable, beta and tests-passed versions of Discourse which rate limits emails. Users are advised to upgrade. Users unable to upgrade should manually rate limit email.
| Software | From | Fixed in |
|---|---|---|
| discourse / discourse | 2.9.0-beta1 | 2.9.0-beta1.x |
| discourse / discourse | 2.9.0-beta2 | 2.9.0-beta2.x |
| discourse / discourse | 2.9.0-beta3 | 2.9.0-beta3.x |
| discourse / discourse | 2.9.0-beta4 | 2.9.0-beta4.x |
| discourse / discourse | 2.9.0-beta5 | 2.9.0-beta5.x |
| discourse / discourse | 2.9.0-beta7 | 2.9.0-beta7.x |
| discourse / discourse | 2.9.0-beta6 | 2.9.0-beta6.x |
| discourse / discourse | - | 2.8.6.x |