CVE-2020-5278 : Security Advisory and Response

A reflected XSS vulnerability was discovered in PrestaShop versions 1.5.4.0 to 1.7.6.5, allowing attackers to execute malicious scripts on the Exception page.

Understanding CVE-2020-5278

This CVE involves a reflected XSS vulnerability in PrestaShop, impacting versions between 1.5.4.0 and 1.7.6.5.

What is CVE-2020-5278?

CVE-2020-5278 is a security vulnerability in PrestaShop that enables attackers to inject and execute malicious scripts through the Exception page.

The Impact of CVE-2020-5278

The vulnerability has a CVSS base score of 4.1, with a medium severity rating. It requires low privileges and user interaction, affecting confidentiality and integrity.

Technical Details of CVE-2020-5278

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability allows for reflected XSS attacks on the Exception page of PrestaShop versions 1.5.4.0 to 1.7.6.5.

Affected Systems and Versions

Product: PrestaShop
Vendor: PrestaShop
Versions Affected: >= 1.5.4.0, < 1.7.6.5

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: Required
Scope: Changed
Vector String: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N

Mitigation and Prevention

Protect your systems from CVE-2020-5278 with the following measures.

Immediate Steps to Take

Update PrestaShop to version 1.7.6.5 or later to fix the vulnerability.
Monitor and restrict user input to prevent XSS attacks.

Long-Term Security Practices

Regularly update and patch PrestaShop to address security flaws.
Educate users on safe browsing practices to minimize the risk of XSS attacks.

Patching and Updates

Apply security patches provided by PrestaShop promptly to mitigate known vulnerabilities.