Vulnerabilities > Mattermost > Mattermost Server > 0.5.0

DATE CVE VULNERABILITY TITLE RISK
2023-08-25 CVE-2023-4478 Injection vulnerability in Mattermost Server
Mattermost fails to restrict which parameters' values it takes from the request during signup allowing an attacker to register users as inactive, thus blocking them from later accessing Mattermost without the system admin activating their accounts.
network
low complexity
mattermost CWE-74
8.2
2023-07-17 CVE-2023-3585 Resource Exhaustion vulnerability in Mattermost Server
Mattermost Boards fail to properly validate a board link, allowing an attacker to crash a channel by posting a specially crafted boards link.
network
low complexity
mattermost CWE-400
4.3
2023-07-17 CVE-2023-3613 Incorrect Authorization vulnerability in Mattermost Server
Mattermost WelcomeBot plugin fails to to validate the membership status when inviting or adding users to channels allowing guest accounts to be added or invited to channels by default.
network
low complexity
mattermost CWE-863
3.5
2023-07-17 CVE-2023-3614 Resource Exhaustion vulnerability in Mattermost Server
Mattermost fails to properly validate a gif image file, allowing an attacker to consume a significant amount of server resources, making the server unresponsive for an extended period of time by linking to specially crafted image file.
local
low complexity
mattermost CWE-400
3.3
2023-05-12 CVE-2023-2515 Incorrect Authorization vulnerability in Mattermost Server
Mattermost fails to restrict a user with permissions to edit other users and to create personal access tokens from elevating their privileges to system admin
network
low complexity
mattermost CWE-863
8.8
2023-04-25 CVE-2023-2281 Unspecified vulnerability in Mattermost Server
When archiving a team, Mattermost fails to sanitize the related Websocket event sent to currently connected clients.
network
low complexity
mattermost
4.3
2023-04-17 CVE-2023-1831 Cleartext Transmission of Sensitive Information vulnerability in Mattermost Server
Mattermost fails to redact from audit logs the user password during user creation and the user password hash in other operations if the experimental audit logging configuration was enabled (ExperimentalAuditSettings section in config).
network
low complexity
mattermost CWE-319
7.5
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.
network
low complexity
mattermost CWE-862
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.
network
low complexity
mattermost CWE-668
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.
network
low complexity
mattermost CWE-79
5.4