CVE-2020-5264 : Exploit Details and Defense Strategies

In PrestaShop before version 1.7.6.5, a reflected XSS vulnerability exists, allowing arbitrary actions to be executed. The issue has been patched in version 1.7.6.5.

Understanding CVE-2020-5264

In this CVE, a security vulnerability in PrestaShop allows for reflected XSS attacks, potentially leading to unauthorized actions being performed.

What is CVE-2020-5264?

CVE-2020-5264 is a reflected XSS vulnerability found in PrestaShop versions prior to 1.7.6.5, enabling attackers to execute arbitrary actions.

The Impact of CVE-2020-5264

The vulnerability poses a medium severity risk with a CVSS base score of 4.4. Attackers can exploit this issue to compromise the security of affected systems.

Technical Details of CVE-2020-5264

This section delves into the specifics of the vulnerability.

Vulnerability Description

The vulnerability involves improper neutralization of input during web page generation, leading to cross-site scripting (CWE-79).

Affected Systems and Versions

Product: PrestaShop
Vendor: PrestaShop
Versions Affected: < 1.7.6.5

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
User Interaction: Required
Privileges Required: Low
Scope: Changed
Confidentiality Impact: Low
Integrity Impact: Low
Availability Impact: None

Mitigation and Prevention

Protecting systems from CVE-2020-5264 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update PrestaShop to version 1.7.6.5 or later to apply the necessary patch.
Monitor and restrict user interactions on potentially vulnerable pages.

Long-Term Security Practices

Implement input validation mechanisms to prevent XSS attacks.
Regularly scan and audit web applications for security vulnerabilities.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by PrestaShop.