What is CVE-2025-51511?

CVE-2025-51511 is a critical-severity vulnerability in Cadmium-Cms Cadmium Cms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-12-23.

How severe is CVE-2025-51511?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Cadmium-Cms Cadmium Cms

CVE-2025-51511

Cadmium CMS v.0.4.9 has a background arbitrary file upload vulnerability in /admin/content/filemanager/uploads.

Vulnerability class: Unrestricted File Upload

EPSS: 0.003 (25.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cadmium-cms Cadmium_cms — versions 0.4.9
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

cve@mitre.org (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2025-51511?: CVE-2025-51511 is a critical-severity vulnerability in Cadmium-Cms Cadmium Cms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-12-23.
How severe is CVE-2025-51511?: Critical severity. CVSS v3 base score is 9.8 out of 10.