medium5.3
CVE-2018-21257
An issue was discovered in Mattermost Server before 5.1.
Impact
An issue was discovered in Mattermost Server before 5.1. It allows attackers to bypass intended access restrictions (for setting a channel header) via the Channel header slash command API.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost Server | before 5.1.0 |