CVE-2023-39527 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2023-39527, a cross-site scripting vulnerability in PrestaShop through the

Validate::isCleanHTML

method.

Understanding CVE-2023-39527

CVE-2023-39527 is a security vulnerability identified in PrestaShop, an open-source e-commerce web application. The vulnerability exists in versions prior to 1.7.8.10, 8.0.5, and 8.1.1, allowing for cross-site scripting attacks through the

isCleanHTML

method.

What is CVE-2023-39527?

PrestaShop versions before 1.7.8.10, 8.0.5, and 8.1.1 are susceptible to cross-site scripting due to improper input neutralization, posing a security risk to users and systems.

The Impact of CVE-2023-39527

The CVE-2023-39527 vulnerability can be exploited by attackers to inject malicious scripts into web pages viewed by users, leading to potential data theft, session hijacking, or website defacement.

Technical Details of CVE-2023-39527

The technical details of CVE-2023-39527 include vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from improper neutralization of input during web page generation, allowing attackers to inject and execute arbitrary scripts within the context of a vulnerable web application.

Affected Systems and Versions

PrestaShop versions prior to 1.7.8.10, 8.0.5, and 8.1.1 are impacted by this vulnerability, exposing users of these versions to potential cross-site scripting attacks.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the

isCleanHTML

method in PrestaShop to inject malicious scripts and execute them in the browser of the target user.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-39527, users and system administrators are advised to take immediate steps and adopt long-term security practices.

Immediate Steps to Take

Update PrestaShop to the latest patched versions (1.7.8.10, 8.0.5, or 8.1.1) to eliminate the vulnerability.
Regularly monitor security advisories from PrestaShop and apply patches promptly to secure the system.

Long-Term Security Practices

Implement input validation and output encoding mechanisms to prevent cross-site scripting vulnerabilities.
Conduct security audits and penetration testing to identify and address potential security weaknesses in web applications.

Patching and Updates

Stay informed about security updates and patches released by PrestaShop to address vulnerabilities like CVE-2023-39527. Regularly update the e-commerce platform to ensure a secure online shopping experience.