Vulnerabilities > Mattermost > Mattermost Server > 7.7.1
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2023-03-31 | CVE-2023-1774 | Missing Authorization vulnerability in Mattermost Server When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel. | 5.4 |
| 2023-03-31 | CVE-2023-1775 | Exposure of Resource to Wrong Sphere vulnerability in Mattermost Server When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients. | 6.5 |
| 2023-03-31 | CVE-2023-1776 | Cross-site Scripting vulnerability in Mattermost Server Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file. | 5.4 |
| 2023-03-31 | CVE-2023-1777 | Exposure of Resource to Wrong Sphere vulnerability in Mattermost Server Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message. | 5.3 |