Vulnerabilities (CVE)

Filtered by vendor Mattermost Subscribe
Total 323 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2023-4108 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.5 MEDIUM
Mattermost fails to sanitize post metadata during audit logging resulting in permalinks contents being logged
CVE-2023-4107 1 Mattermost 1 Mattermost 2024-11-21 N/A 6.7 MEDIUM
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.
CVE-2023-4106 1 Mattermost 1 Mattermost 2024-11-21 N/A 6.3 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-2023-4105 1 Mattermost 1 Mattermost 2024-11-21 N/A 3.1 LOW
Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message
CVE-2023-49874 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.3 MEDIUM
Mattermost fails to check whether a user is a guest when updating the tasks of a private playbook run allowing a guest to update the tasks of a private playbook run if they know the run ID.
CVE-2023-49809 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.3 MEDIUM
Mattermost fails to handle a null request body in the /add endpoint, allowing a simple member to send a request with null request body to that endpoint and make it crash. After a few repetitions, the plugin is disabled. 
CVE-2023-49607 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.3 MEDIUM
Mattermost fails to validate the type of the "reminder" body request parameter allowing an attacker to crash the Playbook Plugin when updating the status dialog.
CVE-2023-48732 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.3 MEDIUM
Mattermost fails to scope the WebSocket response around notified users to a each user separately resulting in the WebSocket broadcasting the information about who was notified about a post to everyone else in the channel.
CVE-2023-48369 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.3 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-2023-48268 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.3 MEDIUM
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-2023-47865 1 Mattermost 1 Mattermost 2024-11-21 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-2023-47858 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.3 MEDIUM
Mattermost fails to properly verify the permissions needed for viewing archived public channels,  allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams/<team-id>/channels/deleted endpoint.
CVE-2023-47168 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.3 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-2023-46701 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 6.5 MEDIUM
Mattermost fails to perform authorization checks in the /plugins/playbooks/api/v0/runs/add-to-timeline-dialog endpoint of the Playbooks plugin allowing an attacker to get limited information about a post if they know the post ID
CVE-2023-45847 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.3 MEDIUM
Mattermost fails to to check the length when setting the title in a run checklist in Playbooks, allowing an attacker to send a specially crafted request and crash the Playbooks plugin
CVE-2023-45316 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 7.3 HIGH
Mattermost fails to validate if a relative path is passed in /plugins/playbooks/api/v0/telemetry/run/<telem_run_id> as a telemetry run ID, allowing an attacker to use a path traversal payload that points to a different endpoint leading to a CSRF attack.
CVE-2023-45223 1 Mattermost 1 Mattermost 2024-11-21 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-2023-43754 1 Mattermost 1 Mattermost 2024-11-21 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-2023-40703 1 Mattermost 1 Mattermost 2024-11-21 N/A 4.3 MEDIUM
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-2023-3615 1 Mattermost 1 Mattermost 2024-11-21 N/A 8.1 HIGH
Mattermost iOS app fails to properly validate the server certificate while initializing the TLS connection allowing a network attacker to intercept the WebSockets connection.