CVE-2023-47865

MediumCVSS 4.3/10Last modified Jun 17, 2026

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

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-284

Affected software

Vendor	Product	Versions
Mattermost	Mattermost	<= 8.1.3; <= 7.8.12

References

https://mattermost.com/security-updatesVendor Advisory
https://mattermost.com/security-updatesVendor Advisory

Timeline

Published: Nov 27, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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