CVE-2024-21627 : Vulnerability Insights and Analysis

This CVE record pertains to an attribute not being escaped in the

Validate::isCleanHTML

method within the PrestaShop open-source e-commerce platform. The vulnerability, which falls under the CWE-79 and CWE-20 categories, could lead to cross-site scripting if exploited. Versions prior to 8.1.3 and 1.7.8.11 are affected, but patches have been included in these versions.

Understanding CVE-2024-21627

This section will delve into the specifics of CVE-2024-21627, including its impact and technical details.

What is CVE-2024-21627?

The vulnerability in PrestaShop allows for a potential cross-site scripting attack due to certain attributes not being properly sanitized in the

Validate::isCleanHTML

method.

The Impact of CVE-2024-21627

If exploited, this vulnerability could result in high confidentiality and integrity impacts, with high privileges required for successful exploitation. The attack complexity is classified as low, but user interaction is required.

Technical Details of CVE-2024-21627

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

Vulnerability Description

The vulnerability stems from unescaped attributes in the

Validate::isCleanHTML

method, potentially enabling attackers to inject malicious scripts into web pages.

Affected Systems and Versions

PrestaShop versions prior to 8.1.3 and 1.7.8.11 are affected by this vulnerability. Specifically, versions >= 8.0.0 and < 8.1.3 as well as < 1.7.8.11 are vulnerable to this issue.

Exploitation Mechanism

To exploit this vulnerability, an attacker could inject malicious scripts through the unescaped attributes and potentially manipulate the behavior of web pages, leading to cross-site scripting attacks.

Mitigation and Prevention

This section will outline the steps to mitigate and prevent exploitation of CVE-2024-21627.

Immediate Steps to Take

Users of PrestaShop are advised to update their installations to versions 8.1.3 or 1.7.8.11, which include patches for this vulnerability. Additionally, utilizing the

HTMLPurifier

library to sanitize user input can help prevent cross-site scripting vulnerabilities.

Long-Term Security Practices

Implementing secure coding practices, such as input validation and output encoding, can help mitigate similar vulnerabilities in the future. Regular security audits and monitoring for any suspicious activities are also recommended.

Patching and Updates

Staying updated with security patches and software versions is crucial to ensure the mitigation of known vulnerabilities. Regularly checking for updates from PrestaShop and applying them promptly can enhance the security posture of your e-commerce platform.