medium4.3
CVE-2017-18889
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost Server | before 4.1.2 from 4.2.0 before 4.2.1 Version 4.3.0 |