An issue was discovered in Mattermost Server before 3.3.0. An attacker could use the WebSocket feature to send pop-up messages to users or change a post's appearance.
2020-06-19T20:15:10.633
2024-11-21T02:45:25.147
Modified
CVSSv3.1: 4.3 (MEDIUM)
AV:N/AC:L/Au:S/C:N/I:P/A:N
8.0
2.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | mattermost | mattermost_server | < 3.3.0 | Yes |