A AegiFlow
LOWCVSS 3.5

CVE-2025-66514

CVE-2025-66514 updated by NVD

Modified
2026-10-17
Sources
nvd

Summary

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.

References

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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