CVE-2023-3821 Explained : Impact and Mitigation

This CVE involves a vulnerability related to Cross-site Scripting (XSS) stored in the GitHub repository pimcore/pimcore prior to version 10.6.4.

Understanding CVE-2023-3821

This section will delve into the details of CVE-2023-3821, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-3821?

CVE-2023-3821 is classified as a Cross-site Scripting (XSS) vulnerability found in the GitHub repository pimcore/pimcore before version 10.6.4. This vulnerability can allow attackers to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2023-3821

The impact of CVE-2023-3821 is considered medium severity, with a base score of 6.1. The vulnerability has a high impact on availability and integrity, requiring high privileges for exploitation. User interaction is also required for successful attacks.

Technical Details of CVE-2023-3821

In this section, we will explore the technical aspects of CVE-2023-3821, including vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability stems from improper neutralization of input during web page generation (Cross-site Scripting), also known as CWE-79. Attackers can exploit this flaw to execute malicious scripts in the context of a web application, potentially compromising user data or performing unauthorized actions.

Affected Systems and Versions

The specific product affected by CVE-2023-3821 is pimcore/pimcore, with versions prior to 10.6.4 being vulnerable. Organizations using versions less than 10.6.4 are at risk of exploitation if adequate security measures are not implemented.

Exploitation Mechanism

Exploiting this vulnerability requires network access and user interaction. Attackers can leverage the XSS vulnerability to manipulate user input fields and execute arbitrary scripts within the application, leading to various security risks.

Mitigation and Prevention

To address CVE-2023-3821 effectively, organizations and users must implement immediate steps, adopt long-term security practices, and apply necessary patches and updates.

Immediate Steps to Take

Immediate actions should include validating and sanitizing user inputs, implementing proper output encoding, and conducting security assessments to detect and remediate potential XSS vulnerabilities.

Long-Term Security Practices

Establishing secure coding practices, conducting regular security training for developers, and performing vulnerability assessments are essential for maintaining robust security posture and preventing XSS attacks in the long term.

Patching and Updates

Users of pimcore/pimcore should update their systems to version 10.6.4 or above to mitigate the CVE-2023-3821 vulnerability. Regularly applying security patches and staying informed about emerging threats is crucial for safeguarding against XSS attacks and other security risks.