CVE-2023-47865
4.3 · MEDIUMOverview
CVE-2023-47865 is a medium-severity vulnerability affecting mattermost mattermost. It was published on November 27, 2023 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Mattermost fails to check if hardened mode is enabled when overriding the username and/or the icon when posting a post. If settings allowed integrations to override the username and profile picture when posting, a member could also override the username and icon when making a post even if the Hardened Mode setting was enabled
Remediation
Check the references section for vendor advisories and patches from mattermost. Update mattermost to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| mattermost | mattermost | 0 | Affected |
Frequently Asked Questions
What is CVE-2023-47865?
CVE-2023-47865 is a medium-severity vulnerability affecting mattermost mattermost. It was published on November 27, 2023 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
How severe is CVE-2023-47865?
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2023-47865?
Check the references section for vendor advisories and patches from mattermost. Update mattermost to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-47865?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-47865 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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