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Mattermost vulnerable to information disclosure

Moderate severity GitHub Reviewed Published Mar 31, 2023 to the GitHub Advisory Database • Updated Apr 7, 2023

Package

gomod github.com/mattermost/mattermost-server (Go)

Affected versions

= 7.8.0
>= 7.7.0, <= 7.7.1
>= 7.1.0, <= 7.1.5

Patched versions

7.8.1
7.7.2
7.1.6
gomod github.com/mattermost/mattermost-server/v6 (Go)
>= 6.3.0, <= 6.7.2
7.1.6

Description

Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message.

References

Published by the National Vulnerability Database Mar 31, 2023
Published to the GitHub Advisory Database Mar 31, 2023
Reviewed Apr 7, 2023
Last updated Apr 7, 2023

Severity

Moderate
5.3
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses

CVE ID

CVE-2023-1777

GHSA ID

GHSA-3wq5-3f56-v5xc

Source code

github.com/mattermost/mattermost-server
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