What’s Vulnerable › Vulnerabilities
CVE-2023-1562: Full name revealed via /plugins/focalboard/api/v2/users
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-03-22 · updated 2026-06-17
- Weakness: CWE-200
Description
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.
Affected products
- Mattermost App Framework: before 7.5.0 — fixed in 7.5.0
How to fix
Upgrade to a fixed version: Mattermost App Framework 7.5.0. Check the vendor advisory for mitigations.
References
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