Feed/CVE-2025-66514
CVE-2025-66514LOWCVSS 3.5

CVE-2025-66514

Published Dec 5, 2025·Updated Jun 17, 2026

NVD Description

Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. Prior to 5.5.3, a stored HTML injection in the Mail app's message list allowed an authenticated user to inject HTML into the email subjects. Javascript was correctly blocked by the content security policy of the Nextcloud Server code.

CVSS Vector

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

References

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