Mattermost: >> Mattermost >> 7.8.4 Security Vulnerabilities
Mattermost fails to check if the requesting user is a guest before performing different actions to public playbooks, resulting a guest being able to view, join, edit, export and archive public playbooks.
CVSS Score
6.3
EPSS Score
0.001
Published
2023-08-11
Mattermost fails to properly validate the requesting user permissions when updating a system admin, allowing a user manager to update a system admin's details such as email, first name and last name.
CVSS Score
6.7
EPSS Score
0.0
Published
2023-08-11
Mattermost fails to properly truncate the postgres error log message of a search query failure allowing an attacker to cause the creation of large log files which can result in Denial of Service
CVSS Score
4.3
EPSS Score
0.001
Published
2023-06-16
Mattermost fails to sanitize ephemeral error messages, allowing an attacker to obtain arbitrary message contents by a specially crafted /groupmsg command.
CVSS Score
6.5
EPSS Score
0.002
Published
2023-06-16
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 Apps Framework fails to verify that a secret provided in the incoming webhook request allowing an attacker to modify the contents of the post sent by the Apps.
CVSS Score
4.3
EPSS Score
0.001
Published
2023-06-16
Mattermost fails to verify if the requestor is a sysadmin or not, before allowing `install` requests to the Apps allowing a regular user send install requests to the Apps.
CVSS Score
4.2
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