CVE-2020-5277 : Vulnerability Insights and Analysis

A reflected XSS vulnerability in PrestaShop module ps_facetedsearch versions before 3.5.0 allows attackers to execute malicious scripts through the

url_name

parameter.

Understanding CVE-2020-5277

This CVE involves a security issue in the ps_facetedsearch module of PrestaShop that could lead to cross-site scripting attacks.

What is CVE-2020-5277?

The vulnerability in the ps_facetedsearch module of PrestaShop versions prior to 3.5.0 enables attackers to inject and execute malicious scripts using the

url_name

parameter.

The Impact of CVE-2020-5277

The vulnerability has a CVSS base score of 4.1, indicating a medium severity issue with low confidentiality impact and no integrity impact. It requires low privileges and user interaction to exploit.

Technical Details of CVE-2020-5277

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The ps_facetedsearch module in PrestaShop versions before 3.5.0 is susceptible to reflected XSS attacks via the

url_name

parameter, allowing malicious script execution.

Affected Systems and Versions

Product: ps_facetedsearch
Vendor: PrestaShop
Versions Affected: < 3.5.0

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the

url_name

parameter, which are then executed when the parameter is reflected back to the user.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2020-5277, follow these mitigation strategies:

Immediate Steps to Take

Update the ps_facetedsearch module to version 3.5.0 or higher to eliminate the vulnerability.
Implement input validation mechanisms to sanitize user inputs and prevent script injection.

Long-Term Security Practices

Regularly monitor and audit web applications for security vulnerabilities.
Educate developers on secure coding practices to prevent XSS vulnerabilities.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by PrestaShop to address known vulnerabilities.