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.

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Fixes

Solution

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Workaround

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History

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'}


Projects

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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 : Received

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

Modified: 2026-03-31T15:16:12.020

Link: CVE-2026-21861

cve-icon Redhat

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cve-icon OpenCVE Enrichment

No data.

Weaknesses