CVE-2023-30838 : Security Advisory and Response

This article delves into the details of CVE-2023-30838, focusing on a vulnerability found in PrestaShop that allows for a possible XSS injection through the Validate::isCleanHTML method.

Understanding CVE-2023-30838

In this section, we will explore what CVE-2023-30838 entails and the impact it can have.

What is CVE-2023-30838?

PrestaShop, an Open Source e-commerce web application, is susceptible to a cross-site scripting (XSS) injection due to a missing validation in the

ValidateCore::isCleanHTML()

method. This vulnerability can be exploited without user interaction, posing a high risk to affected systems.

The Impact of CVE-2023-30838

The XSS injection in PrestaShop can result in the execution of malicious scripts, compromising the confidentiality, integrity, and availability of the application. Versions prior to 8.0.4 and 1.7.8.9 are affected by this security flaw.

Technical Details of CVE-2023-30838

In this section, we will delve into the technical aspects of CVE-2023-30838, including vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from the absence of proper input validation in the

ValidateCore::isCleanHTML()

method, enabling attackers to inject malicious scripts into the application, leading to XSS attacks.

Affected Systems and Versions

PrestaShop versions older than 8.0.4 and 1.7.8.9 are impacted by this vulnerability, making them susceptible to XSS injection through the Validate::isCleanHTML method.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into PrestaShop without requiring any user interaction, thereby compromising the security of the e-commerce platform.

Mitigation and Prevention

This section focuses on the steps to mitigate the risks posed by CVE-2023-30838 and prevent such vulnerabilities in the future.

Immediate Steps to Take

Users of PrestaShop are advised to update their systems to versions 8.0.4 or 1.7.8.9 to patch the XSS injection vulnerability and enhance the security of their e-commerce platform.

Long-Term Security Practices

Implementing secure coding practices, performing regular security audits, and staying informed about security updates can help prevent XSS vulnerabilities in PrestaShop and other web applications.

Patching and Updates

Regularly monitoring for security advisories and promptly applying security patches released by PrestaShop can help mitigate the risk of XSS injections and ensure the overall security of the e-commerce platform.