cvedb.io
CVE-2025-66512
MEDIUM · CVSS 5.4
EPSS exploitation probability: 0%
Published 2025-12-05T17:16:04.980 · Last modified 2026-06-17T09:56:57.790

Summary

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Server Enterprise prior to 31.0.12 and 32.0.3, a missing sanitization allowed malicious users to circumvent the content security policy when a malicious user manages to trick a user it viewing an uploaded SVG outside of the Nextcloud Servers web page.

Affected products

nextcloud — nextcloud_server

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.