Threat and Vulnerability Intelligence Database
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Known Exploited
CVE-2023-2793 |
Description: Mattermost fails to validate links on external websites when constructing a preview for a linked website, allowing an attacker to cause a denial-of-service by a linking to a specially crafted webpage in a message.
CVSS: MEDIUM (6.5) EPSS Score: 0.09%
December 7th, 2024 (4 months ago)
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CVE-2023-2792 |
Description: Mattermost fails to sanitize ephemeral error messages, allowing an attacker to obtain arbitrary message contents by a specially crafted /groupmsg command.
CVSS: MEDIUM (6.5) EPSS Score: 0.06%
December 7th, 2024 (4 months ago)
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CVE-2023-2791 |
Description: When creating a playbook run via the /dialog API, Mattermost fails to validate all parameters, allowing an authenticated attacker to edit an arbitrary channel post.
CVSS: MEDIUM (4.3) EPSS Score: 0.05%
December 7th, 2024 (4 months ago)
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CVE-2023-2788 |
Description: 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: MEDIUM (6.2) EPSS Score: 0.06%
December 7th, 2024 (4 months ago)
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CVE-2023-2787 |
Description: Mattermost fails to check channel membership when accessing message threads, allowing an attacker to access arbitrary posts by using the message threads API.
CVSS: MEDIUM (6.5) EPSS Score: 0.06%
December 7th, 2024 (4 months ago)
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CVE-2023-2786 |
Description: 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: MEDIUM (4.3) EPSS Score: 0.05%
December 7th, 2024 (4 months ago)
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CVE-2023-2785 |
Description: 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: MEDIUM (4.3) EPSS Score: 0.05%
December 7th, 2024 (4 months ago)
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CVE-2023-2784 |
Description: 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: MEDIUM (4.2) EPSS Score: 0.05%
December 7th, 2024 (4 months ago)
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CVE-2023-2783 |
Description: 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: MEDIUM (4.3) EPSS Score: 0.05%
December 7th, 2024 (4 months ago)
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CVE-2023-27263 |
Description: A missing permissions check in the /plugins/playbooks/api/v0/runs API in Mattermost allows an attacker to list and view playbooks belonging to a team they are not a member of.
CVSS: MEDIUM (4.3) EPSS Score: 0.06%
December 7th, 2024 (4 months ago)
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