Vulnerabilities (CVE)

Filtered by vendor Mattermost Subscribe
Filtered by product Mattermost
Total 57 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2023-7114 1 Mattermost 1 Mattermost 2024-01-05 N/A 8.8 HIGH
Mattermost version 2.10.0 and earlier fails to sanitize deeplink paths, which allows an attacker to perform CSRF attacks against the server.
CVE-2023-47168 1 Mattermost 1 Mattermost 2023-12-10 N/A 6.1 MEDIUM
Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked "Back to Mattermost" after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to=
CVE-2023-48268 1 Mattermost 1 Mattermost 2023-12-10 N/A 7.5 HIGH
Mattermost fails to limit the amount of data extracted from compressed archives during board import in Mattermost Boards allowing an attacker to consume excessive resources, possibly leading to Denial of Service, by importing a board using a specially crafted zip (zip bomb).
CVE-2023-40703 1 Mattermost 1 Mattermost 2023-12-10 N/A 7.5 HIGH
Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string. 
CVE-2023-6202 1 Mattermost 1 Mattermost 2023-12-10 N/A 4.3 MEDIUM
Mattermost fails to perform proper authorization in the /plugins/focalboard/api/v2/users endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information (e.g. name, surname, nickname) via Mattermost Boards.
CVE-2023-43754 1 Mattermost 1 Mattermost 2023-12-10 N/A 4.3 MEDIUM
Mattermost fails to check whether the  “Allow users to view archived channels”  setting is enabled during permalink previews display, allowing members to view permalink previews of archived channels even if the “Allow users to view archived channels” setting is disabled. 
CVE-2023-47865 1 Mattermost 1 Mattermost 2023-12-10 N/A 4.3 MEDIUM
Mattermost fails to check if hardened mode is enabled when overriding the username and/or the icon when posting a post. If settings allowed integrations to override the username and profile picture when posting, a member could also override the username and icon when making a post even if the Hardened Mode setting was enabled
CVE-2023-35075 1 Mattermost 1 Mattermost 2023-12-10 N/A 5.4 MEDIUM
Mattermost fails to use  innerText / textContent when setting the channel name in the webapp during autocomplete, allowing an attacker to inject HTML to a victim's page by create a channel name that is valid HTML. No XSS is possible though. 
CVE-2023-48369 1 Mattermost 1 Mattermost 2023-12-10 N/A 5.3 MEDIUM
Mattermost fails to limit the log size of server logs allowing an attacker sending specially crafted requests to different endpoints to potentially overflow the log.
CVE-2023-45223 1 Mattermost 1 Mattermost 2023-12-10 N/A 4.3 MEDIUM
Mattermost fails to properly validate the "Show Full Name" option in a few endpoints in Mattermost Boards, allowing a member to get the full name of another user even if the Show Full Name option was disabled. 
CVE-2023-5967 1 Mattermost 1 Mattermost 2023-12-10 N/A 4.3 MEDIUM
Mattermost fails to properly validate requests to the Calls plugin, allowing an attacker sending a request without a User Agent header to cause a panic and crash the Calls plugin
CVE-2023-5193 1 Mattermost 1 Mattermost 2023-12-10 N/A 2.7 LOW
Mattermost fails to properly check permissions when retrieving a post allowing for a System Role with the permission to manage channels to read the posts of a DM conversation.
CVE-2023-5196 1 Mattermost 1 Mattermost 2023-12-10 N/A 6.5 MEDIUM
Mattermost fails to enforce character limits in all possible notification props allowing an attacker to send a really long value for a notification_prop resulting in the server consuming an abnormal quantity of computing resources and possibly becoming temporarily unavailable for its users.
CVE-2023-5160 1 Mattermost 1 Mattermost 2023-12-10 N/A 4.3 MEDIUM
Mattermost fails to check the Show Full Name option at the /api/v4/teams/TEAM_ID/top/team_members endpoint allowing a member to get the full name of another user even if the Show Full Name option was disabled
CVE-2023-4106 1 Mattermost 1 Mattermost 2023-12-10 N/A 6.5 MEDIUM
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.
CVE-2023-5159 1 Mattermost 1 Mattermost 2023-12-10 N/A 2.7 LOW
Mattermost fails to properly verify the permissions when managing/updating a bot allowing a User Manager role with user edit permissions to manage/update bots.
CVE-2023-5968 1 Mattermost 1 Mattermost 2023-12-10 N/A 4.9 MEDIUM
Mattermost fails to properly sanitize the user object when updating the username, resulting in the password hash being included in the response body. 
CVE-2023-4108 1 Mattermost 1 Mattermost 2023-12-10 N/A 7.5 HIGH
Mattermost fails to sanitize post metadata during audit logging resulting in permalinks contents being logged
CVE-2023-5194 1 Mattermost 1 Mattermost 2023-12-10 N/A 4.3 MEDIUM
Mattermost fails to properly validate permissions when demoting and deactivating a user allowing for a system/user manager to demote / deactivate another manager
CVE-2023-5195 1 Mattermost 1 Mattermost 2023-12-10 N/A 5.4 MEDIUM
Mattermost fails to properly validate the permissions when soft deleting a team allowing a team member to soft delete other teams that they are not part of