CVE-2023-4158 : Security Advisory and Response

This CVE involves a Cross-site Scripting (XSS) vulnerability that is stored in the GitHub repository omeka/omeka-s before version 4.0.3.

Understanding CVE-2023-4158

This section provides insights into what CVE-2023-4158 entails, its impact, technical details, and how to mitigate and prevent exploitation.

What is CVE-2023-4158?

CVE-2023-4158 is a Cross-site Scripting (XSS) vulnerability stored in the omeka/omeka-s GitHub repository before version 4.0.3. This vulnerability is identified as CWE-79, highlighting the improper neutralization of input during web page generation.

The Impact of CVE-2023-4158

The impact of CVE-2023-4158 is considered medium, with a CVSS base score of 6.4. This vulnerability has a high confidentiality impact and could potentially be exploited with low privileges required.

Technical Details of CVE-2023-4158

In this section, we delve into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The CVE-2023-4158 vulnerability allows for Cross-site Scripting (XSS) attacks in the omeka/omeka-s GitHub repository before version 4.0.3. This could lead to unauthorized script execution in a user's browser.

Affected Systems and Versions

The affected product is omeka/omeka-s, with versions prior to 4.0.3 being vulnerable to this XSS issue.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the vulnerable web application, potentially leading to the execution of unauthorized code.

Mitigation and Prevention

To safeguard systems from CVE-2023-4158, it is crucial to implement immediate steps and long-term security practices, along with applying necessary patches and updates.

Immediate Steps to Take

Immediate steps to mitigate this XSS vulnerability include input validation, output encoding, and filtering of user-generated content to prevent script injection attacks.

Long-Term Security Practices

In the long term, ensuring secure coding practices, conducting regular security audits, and educating developers on secure coding techniques can help prevent XSS vulnerabilities like CVE-2023-4158.

Patching and Updates

Updating the omeka/omeka-s repository to version 4.0.3 or above is crucial to remediate the CVE-2023-4158 vulnerability. Regularly applying security patches and staying informed about security best practices is essential in maintaining a secure software environment.