CVE-2023-1777
Mattermost vulnerable to information disclosure
5.3
MEDIUM
CVSS 3.1
EPSS 0.31%
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.
How to fix CVE-2023-1777
To remediate CVE-2023-1777, upgrade the affected package to a fixed version below.
- Bitnami/mattermost—upgrade to 7.1.6 or later
- —upgrade to 7.8.1 or later
- —upgrade to 7.1.6 or later
Is CVE-2023-1777 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 7.1.6 | >= 7.7.1, <= 7.7.1, >= 7.8.0, <= 7.8.0
- >= 7.8.0, < 7.8.1
- >= 6.3.0, < 7.1.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |