An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. An attacker could create fictive system-message posts via webhooks and slash commands, in the v3 or v4 REST API.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| github.com/mattermost/mattermost-server(Go) | 0 | 4.1.2 | N/A |
| github.com/mattermost/mattermost-server(Go) | 4.2.0-rc1 | 4.2.1 | N/A |
| github.com/mattermost/mattermost-server(Go) | 4.3.0-rc1 | 4.3.0 | N/A |
CVSS Metrics
