Description

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.

INFO

Published Date :

2026-03-31T00:43:58.296Z

Last Modified :

2026-03-31T14:01:39.730Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-21861 vulnerability.

Vendors Products
Basercms
  • Basercms
Baserproject
  • Basercms
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-21861.

URL Resource
https://basercms.net/security/JVN_20837860 cve-icon cve-icon
https://github.com/baserproject/basercms/releases/tag/5.2.3 cve-icon cve-icon
https://github.com/baserproject/basercms/security/advisories/GHSA-qxmc-6f24-g86g cve-icon cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact