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.
History

Fri, 03 Apr 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Baserproject
Baserproject basercms
Vendors & Products Baserproject
Baserproject basercms

Wed, 01 Apr 2026 23:45:00 +0000

Type Values Removed Values Added
First Time appeared Basercms
Basercms basercms
CPEs cpe:2.3:a:basercms:basercms:*:*:*:*:*:*:*:*
Vendors & Products Basercms
Basercms basercms

Tue, 31 Mar 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 31 Mar 2026 03:00:00 +0000

Type Values Removed Values Added
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.
Title baserCMS: OS Command Injection Leading to Remote Code Execution (RCE)
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-31T14:01:39.730Z

Reserved: 2026-01-05T16:44:16.367Z

Link: CVE-2026-21861

cve-icon Vulnrichment

Updated: 2026-03-31T14:01:31.684Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-31T01:16:35.540

Modified: 2026-04-01T20:29:39.303

Link: CVE-2026-21861

cve-icon Redhat

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