CVE-2023-47865

Summary

CVE-2023-47865 is a vulnerability affecting Mattermost, an open-source team collaboration platform. This issue arises when Mattermost fails to verify if hardened mode is enabled before allowing users to override their username and icon while posting messages. Consequently, a malicious member could manipulate their identity even with hardened mode activated, potentially leading to security breaches and unauthorized actions within the system.

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