CVE-2023-6188 : Security Advisory and Response

This CVE-2023-6188 article provides an in-depth overview of a vulnerability found in GetSimpleCMS, specifically in the theme-edit.php file. The vulnerability has been rated as critical and allows for code injection, potentially leading to remote exploitation.

Understanding CVE-2023-6188

GetSimpleCMS versions 3.3.16 and 3.4.0a are affected by this code injection vulnerability. The issue arises from unknown processing of the file /admin/theme-edit.php, enabling malicious actors to inject code remotely.

What is CVE-2023-6188?

The vulnerability identified in CVE-2023-6188 pertains to a critical code injection flaw present in GetSimpleCMS versions 3.3.16 and 3.4.0a. By manipulating certain data within the /admin/theme-edit.php file, attackers can inject malicious code, potentially compromising the system.

The Impact of CVE-2023-6188

This vulnerability poses a significant risk as it allows for unauthorized code injection, which can lead to complete system compromise. With a base score of 4.7 (Medium severity) according to CVSS, it is crucial to address this issue promptly to prevent potential exploitation.

Technical Details of CVE-2023-6188

The vulnerability in GetSimpleCMS stems from improper handling of user input in the theme-edit.php file, enabling attackers to execute malicious code remotely.

Vulnerability Description

The issue revolves around unvalidated input within the /admin/theme-edit.php file, leading to code injection and potentially allowing threat actors to execute arbitrary commands on the affected system.

Affected Systems and Versions

GetSimpleCMS versions 3.3.16 and 3.4.0a are confirmed to be affected by this vulnerability. Users utilizing these versions are advised to take immediate action to mitigate the risk of exploitation.

Exploitation Mechanism

Exploiting CVE-2023-6188 involves manipulating specific data within the theme-edit.php file to inject malicious code remotely. This can be done by threat actors to compromise the security of the affected systems.

Mitigation and Prevention

To safeguard systems from the risks posed by CVE-2023-6188, it is essential to implement effective mitigation strategies and preventive measures.

Immediate Steps to Take

Update GetSimpleCMS to a secure version that addresses the code injection vulnerability.
Monitor system logs for any suspicious activities that may indicate exploitation attempts.
Restrict network access to vulnerable components to prevent remote attacks.

Long-Term Security Practices

Regularly update and patch software to eliminate known vulnerabilities.
Implement strong input validation mechanisms to prevent code injection attacks.
Conduct routine security assessments to identify and address potential security gaps.

Patching and Updates

Ensure that GetSimpleCMS is updated to a version that includes a patch for CVE-2023-6188. Stay informed about security advisories for timely application of patches to protect systems from potential exploits.