CVE-2026-30880
Received Received - Intake
OS Command Injection in baserCMS Installer Before

Publication date: 2026-03-31

Last updated on: 2026-04-01

Assigner: GitHub, Inc.

Description
baserCMS is a website development framework. Prior to version 5.2.3, baserCMS has an OS command injection vulnerability in the installer. This issue has been patched in version 5.2.3.
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Meta Information
Published
2026-03-31
Last Modified
2026-04-01
Generated
2026-06-16
AI Q&A
2026-03-31
EPSS Evaluated
2026-06-15
NVD
CVE-2026-30880
EUVD
EUVD-2026-17265
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
basercms basercms to 5.2.3 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
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Executive Summary

CVE-2026-30880 is a critical OS command injection vulnerability found in the installer of baserCMS, specifically affecting version 5.2.2 and earlier.

This vulnerability allows an attacker to execute arbitrary operating system commands on a server where baserCMS is uploaded but not yet installed.

Impact Analysis

An attacker exploiting this vulnerability can execute arbitrary OS commands remotely without any privileges or user interaction.

This can lead to severe impacts on the confidentiality, integrity, and availability of the vulnerable system.

Mitigation Strategies

The vulnerability can be mitigated by updating baserCMS to version 5.2.3 or later.

Compliance Impact

The OS command injection vulnerability in baserCMS installer allows attackers to execute arbitrary commands on the server, potentially compromising the confidentiality, integrity, and availability of the system.

Such a compromise can lead to unauthorized access or manipulation of sensitive data, which may impact compliance with data protection standards and regulations like GDPR and HIPAA that require safeguarding personal and health information.

Mitigating this vulnerability by updating to baserCMS version 5.2.3 or later is essential to maintain compliance and reduce the risk of data breaches.

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