CVE-2026-30880
OS Command Injection in baserCMS Installer Before
Publication date: 2026-03-31
Last updated on: 2026-04-01
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| basercms | basercms | to 5.2.3 (exc) |
Helpful Resources
Exploitability
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
What immediate steps should I take to mitigate this vulnerability?
The vulnerability can be mitigated by updating baserCMS to version 5.2.3 or later.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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.