cvedb.io
CVE-2026-21861
CRITICAL · CVSS 9.1
EPSS exploitation probability: 0%
Published 2026-03-31T01:16:35.540 · Last modified 2026-06-17T10:19:02.850

Summary

baserCMS is a website development framework. Prior to version 5.2.3, baserCMS contains an OS command injection vulnerability in the core update functionality. An authenticated administrator can execute arbitrary OS commands on the server due to improper handling of user-controlled input that is directly passed to exec() without sufficient validation or escaping. This issue has been patched in version 5.2.3.

Affected products

basercms — basercms

Does this affect you?

Add your gear to cvedb and we'll alert you only when basercms ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.