CVE-2023-1562: Full name revealed via /plugins/focalboard/api/v2/users
First published: Wed Mar 22 2023(Updated: )
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.
Credit: responsibledisclosure@mattermost.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost Mattermost | <7.5.0 |
Remedy
Update Mattermost to version v7.5.0 or higher.
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Reference Links
Frequently Asked Questions
What is CVE-2023-1562?
CVE-2023-1562 is a vulnerability in Mattermost that allows an attacker to learn the full name of a board owner.
How does CVE-2023-1562 work?
CVE-2023-1562 occurs because Mattermost fails to check the "Show Full Name" setting when rendering the result for the /plugins/focalboard/api/v2/users API call.
What software versions are affected by CVE-2023-1562?
CVE-2023-1562 affects Mattermost versions up to and excluding 7.5.0.
What is the severity of CVE-2023-1562?
CVE-2023-1562 has a severity rating of 4.3, which is considered medium.
How can I fix CVE-2023-1562?
To fix CVE-2023-1562, upgrade to a version of Mattermost that is 7.5.0 or higher.
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