UpHeron
All vulnerabilities

Servers and applications

CVE-2023-47865

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

Severity
Medium 4.3
Published
27 Nov 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost
  • Every version up to 7.8.12
  • From 8.0.0 up to 8.1.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-47865
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-47865