CVE-2023-46116

Summary

CVE-2023-46116 is a vulnerability affecting Tutanota's email service. Before version 3.118.12, the platform allowed users to open certain external links, including those with harmful schemes such as `ftp:` and `smb:`, which can be exploited by attackers for code execution on a victim's computer. The `file:` URL scheme, known to pose similar risks, was correctly blocked, but other harmful schemes were overlooked. Successfully exploiting this issue grants an attacker the ability to execute malicious code on the victim's system. The vulnerability has been patched in version 3.118.12.

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