What is CVE-2023-25654?

CVE-2023-25654 is a critical-severity vulnerability in Basercms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-03-23.

How severe is CVE-2023-25654?

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

Arbitrary file upload in Basercms

CVE-2023-25654

baserCMS is a Content Management system. Prior to version 4.7.5, there is a Remote Code Execution (RCE) Vulnerability in the management system of baserCMS. Version 4.7.5 contains a patch.

Vulnerability class: Unrestricted File Upload

Published 2023-03-23 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.015 (73.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Basercms
Baserproject Basercms — versions < 4.7.4

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/baserproject/basercms/security/advisories/GHSA-h4cc-fxpp-pgw9 (Third Party Advisory)
github.com/baserproject/basercms/commit/002886be0998c74c386e04f0b43688a8a45d7a96 (Patch)
github.com/baserproject/basercms/commit/08247f0a633d8e836ce2e5cd2d53aa19901a1359 (Patch)
github.com/baserproject/basercms/commit/60f83054d8131b0ace60716cec7e629b5eb3a8f0 (Patch)
github.com/baserproject/basercms/releases/tag/basercms-4.7.5 (Release Notes)

Frequently asked questions

What is CVE-2023-25654?: CVE-2023-25654 is a critical-severity vulnerability in Basercms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-03-23.
How severe is CVE-2023-25654?: Critical severity. CVSS v3 base score is 9.8 out of 10.