What is CVE-2025-27411?

CVE-2025-27411 is a medium-severity vulnerability in Redaxo, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.4/10. Published 2025-03-05.

How severe is CVE-2025-27411?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Arbitrary file upload in Redaxo

CVE-2025-27411

REDAXO is a PHP-based CMS. In Redaxo before 5.18.3, the mediapool/media page is vulnerable to arbitrary file upload. This vulnerability is fixed in 5.18.3.

Vulnerability class: Unrestricted File Upload

Published 2025-03-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (18.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Redaxo — versions < 5.18.3

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/redaxo/redaxo/security/advisories/GHSA-wppf-gqj5-fc4f (Exploit, Vendor Advisory)
github.com/redaxo/redaxo/commit/3b2159bb45da0ab6cfaef5c8cf8b602ee5e2fb37 (Patch)

Frequently asked questions

What is CVE-2025-27411?: CVE-2025-27411 is a medium-severity vulnerability in Redaxo, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.4/10. Published 2025-03-05.
How severe is CVE-2025-27411?: Medium severity. CVSS v3 base score is 5.4 out of 10.