CVE-2023-4453 : Security Advisory and Response

This CVE record pertains to a Cross-site Scripting (XSS) vulnerability identified in the GitHub repository pimcore/pimcore prior to version 10.6.8.

Understanding CVE-2023-20657

This section will delve into the details of the CVE-2023-4453 vulnerability, its impact, technical description, affected systems, exploitation mechanism, mitigation, and prevention strategies.

What is CVE-2023-4453?

CVE-2023-4453 refers to a Cross-site Scripting (XSS) vulnerability discovered in the pimcore/pimcore GitHub repository before version 10.6.8. This vulnerability could potentially allow attackers to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2023-4453

The impact associated with CVE-2023-4453 is rated as medium severity, with a CVSS base score of 6.4. The vulnerability could lead to high confidentiality and integrity impacts, requiring high privileges for exploitation.

Technical Details of CVE-2023-4453

In this section, we will explore the specific technical aspects of the CVE-2023-4453 vulnerability, including its description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability identified in CVE-2023-4453 is classified under CWE-79, denoting improper neutralization of input during web page generation (Cross-site Scripting). Attackers can exploit this flaw to execute malicious scripts in the context of a target user's session.

Affected Systems and Versions

The affected vendor and product in this case are pimcore/pimcore, with versions prior to 10.6.8 being vulnerable to the Cross-site Scripting issue.

Exploitation Mechanism

The exploitation of CVE-2023-4453 involves crafting and injecting malicious scripts into web pages through user-controlled input fields. These scripts can then be executed within the context of other users' sessions, leading to potential data theft or manipulation.

Mitigation and Prevention

This section provides guidance on mitigating the risks posed by CVE-2023-4453 through immediate steps, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

To address CVE-2023-4453, organizations and users are advised to sanitize user input, encode output to prevent script execution, and implement Content Security Policy (CSP) to mitigate XSS risks.

Long-Term Security Practices

In the long term, organizations should incorporate secure coding practices, conduct regular security assessments, and provide security awareness training to prevent XSS vulnerabilities in web applications.

Patching and Updates

It is crucial to apply the necessary patches and updates provided by pimcore for versions 10.6.8 and above to remediate the Cross-site Scripting vulnerability and enhance the overall security posture of the affected systems.