CVE-2023-2793

Summary

CVE-2023-2793 is a vulnerability affecting Mattermost, an open-source team communication platform. This issue arises from Mattermost's failure to validate links on external websites when generating previews for linked webpages. An attacker can exploit this vulnerability by crafting a denial-of-service (DoS) webpage and sharing it as a link within a message. Upon previewing the link, Mattermost processes the malicious webpage, resulting in a DoS condition for the affected system.

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