Description
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 without validating or restricting the filename. An attacker can craft a malicious PHP file within the zip and achieve arbitrary code execution when it is included. This issue has been patched in version 5.2.3.
Metrics
CVSS 3.1 7.2/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| baserproject | basercms | < 5.2.3 |
References
- https://basercms.net/security/JVN_20837860Vendor Advisory
- https://github.com/baserproject/basercms/releases/tag/5.2.3Release Notes
- https://github.com/baserproject/basercms/security/advisories/GHSA-hv78-cwp4-8r7rExploit, Vendor Advisory
- https://github.com/baserproject/basercms/security/advisories/GHSA-hv78-cwp4-8r7rExploit, Vendor Advisory
Timeline
- Published
- Mar 31, 2026
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed