Mattermost: >> Mattermost >> 7.1.7 Security Vulnerabilities
Mattermost fails to sanitize code permalinks, allowing an attacker to preview code from private repositories by posting a specially crafted permalink on a channel.
CVSS Score
3.1
EPSS Score
0.005
Published
2023-06-16
Mattermost fails to unescape Markdown strings in a memory-efficient way, allowing an attacker to cause a Denial of Service by sending a message containing a large number of escaped characters.
CVSS Score
4.3
EPSS Score
0.001
Published
2023-06-16
Mattermost fails to properly check the permissions when executing commands allowing a member with no permissions to post a message in a channel to actually post it by executing channel commands.
CVSS Score
4.3
EPSS Score
0.001
Published
2023-06-16
Mattermost fails to check channel membership when accessing message threads, allowing an attacker to access arbitrary posts by using the message threads API.
CVSS Score
6.5
EPSS Score
0.001
Published
2023-06-16
Mattermost fails to check if an admin user account active after an oauth2 flow is started, allowing an attacker with admin privileges to retain persistent access to Mattermost by obtaining an oauth2 access token while the attacker's account is deactivated.
CVSS Score
6.2
EPSS Score
0.001
Published
2023-06-16
Mattermost fails to normalize UTF confusable characters when determining if a preview should be generated for a hyperlink, allowing an attacker to trigger link preview on a disallowed domain using a specially crafted link.
CVSS Score
4.3
EPSS Score
0.002
Published
2023-05-29
Mattermost Sever fails to redact the DB username and password before emitting an application log during server initialization.
CVSS Score
6.7
EPSS Score
0.001
Published
2023-05-12
Mattermost fails to invalidate existing authorization codes when deauthorizing an OAuth2 app, allowing an attacker possessing an authorization code to generate an access token.
CVSS Score
6.5
EPSS Score
0.001
Published
2023-04-20
Mattermost fails to check the "Show Full Name" setting when rendering the result for the /plugins/focalboard/api/v2/users API call, allowing an attacker to learn the full name of a board owner.
CVSS Score
3.5
EPSS Score
0.002
Published
2023-03-22
A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.
CVSS Score
4.3
EPSS Score
0.006
Published
2022-11-23