CVE-2023-1562 Full name revealed via /plugins/focalboard/api/v2/users
An attacker can retrieve the full name of a board owner via an API endpoint that ignores privacy settings, exposing personal information.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-1562?
CVE-2023-1562 is a low-severity vulnerability in Mattermost Mattermost, published on 22 Mar 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Which versions are affected by CVE-2023-1562?
It affects 1 product.
Products include Mattermost Mattermost.
How do I fix CVE-2023-1562?
No fix has been published for CVE-2023-1562 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-1562 being exploited?
There is no known exploitation of CVE-2023-1562 in the wild and no public exploit code.
Other vulnerabilities in Mattermost Mattermost
- CVE-2019-20851 Path traversal in n/a
- CVE-2024-39274 Malicious remote can add users to arbitrary teams and channels
- CVE-2024-39777 Malicious remote can invite itself to an arbitrary local channel
- CVE-2024-39830 Timing attack during remote cluster token comparison when shared channels are enabled
- CVE-2023-3615 Lack of server certificate validation in websockets connection
Sources
Also known as GHSA-w3q2-jmrg-5rfm.