An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, 4.3.4, and 4.2.2. It allows attackers to cause a denial of service (application crash) via an @ character before a JavaScript field name.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mattermost_server | Mattermost | * | 4.2.2 (excluding) |
| Mattermost_server | Mattermost | 4.3.0 (including) | 4.3.4 (excluding) |
| Mattermost_server | Mattermost | 4.4.0 (including) | 4.4.5 (excluding) |
| Mattermost_server | Mattermost | 4.5.0-rc1 (including) | 4.5.0-rc1 (including) |
| Mattermost_server | Mattermost | 4.5.0-rc2 (including) | 4.5.0-rc2 (including) |
| Mattermost_server | Mattermost | 4.5.0-rc3 (including) | 4.5.0-rc3 (including) |
| Mattermost_server | Mattermost | 4.5.0-rc4 (including) | 4.5.0-rc4 (including) |