CVE-2023-6027 : Vulnerability Insights and Analysis

This CVE-2023-6027 was published on November 30, 2023, by INCIBE. It involves a critical flaw in elijaa/phpmemcachedadmin version 1.3.0, leading to a stored XSS vulnerability. This vulnerability enables malicious actors to inject a carefully crafted JavaScript payload by exploiting improper encoding in the "/pmcadmin/configure.php" parameter.

Understanding CVE-2023-6027

This section delves into the details of CVE-2023-6027, focusing on its impact, technical aspects, and mitigation strategies.

What is CVE-2023-6027?

CVE-2023-6027 is a vulnerability in PHPMemcachedAdmin version 1.3.0 that allows attackers to execute malicious scripts on the target system by exploiting a stored XSS vulnerability.

The Impact of CVE-2023-6027

The impact of this vulnerability is significant as it provides threat actors with the opportunity to execute arbitrary JavaScript code within the context of the affected web application, potentially leading to data theft, unauthorized access, and other security breaches.

Technical Details of CVE-2023-6027

This section covers the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability stems from inadequate encoding of user-controlled inputs in the "/pmcadmin/configure.php" parameter, allowing attackers to inject malicious JavaScript code.

Affected Systems and Versions

The specific version affected by this vulnerability is PHPMemcachedAdmin 1.3.0.

Exploitation Mechanism

Attackers can exploit this vulnerability by inserting a specially crafted JavaScript payload into the vulnerable parameter, leading to the execution of malicious scripts in the context of the web application.

Mitigation and Prevention

To address CVE-2023-6027 and enhance security posture, organizations and users should consider implementing the following measures:

Immediate Steps to Take

Disable or restrict access to the vulnerable "/pmcadmin/configure.php" parameter.
Apply security patches or updates provided by the vendor to remediate the vulnerability.
Educate users and staff about the risks associated with XSS attacks and encourage safe browsing practices.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Implement secure coding practices to prevent common web application security flaws.
Stay informed about emerging threats and security vulnerabilities to promptly apply necessary security measures.

Patching and Updates

Ensure timely application of security patches and updates released by PHPMemcachedAdmin to address known vulnerabilities and enhance the overall security of the application.