Arbitrary file upload in Baserproject Basercms
CVE-2025-32957
baserCMS is a website development framework. Prior to version 5.2.3, the application's restore function allows users to upload a .zip file, which is then automatically extracted. A PHP file inside the archive is included using require_once…
Vulnerability class: Unrestricted File Upload
EPSS: 0.000 (9.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N.
Affected products
- Baserproject Basercms — versions < 5.2.3
Weakness classification (CWE)
References
- https://github.com/baserproject/basercms/security/advisories/GHSA-hv78-cwp4-8r7r (x_refsource_CONFIRM)
- https://basercms.net/security/JVN_20837860 (x_refsource_MISC)
- https://github.com/baserproject/basercms/releases/tag/5.2.3 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-32957?
- CVE-2025-32957 is a high-severity vulnerability in Baserproject Basercms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.7/10. Published 2026-03-31.
- How severe is CVE-2025-32957?
- High severity. CVSS v3 base score is 8.7 out of 10.