CVE-2020-28038 : Security Advisory and Response

WordPress before 5.5.2 allows stored XSS via post slugs.

Understanding CVE-2020-28038

WordPress before version 5.5.2 is vulnerable to stored cross-site scripting (XSS) attacks through post slugs.

What is CVE-2020-28038?

This CVE refers to a security vulnerability in WordPress that enables attackers to execute malicious scripts by exploiting post slugs.

The Impact of CVE-2020-28038

The vulnerability allows for stored XSS attacks, potentially leading to unauthorized actions, data theft, or defacement of websites running the affected WordPress versions.

Technical Details of CVE-2020-28038

WordPress before version 5.5.2 is susceptible to stored XSS attacks through post slugs.

Vulnerability Description

The issue in WordPress allows attackers to store malicious scripts within post slugs, which can then be executed when the slug is viewed.

Affected Systems and Versions

Product: WordPress
Vendor: WordPress
Versions: All versions before 5.5.2

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting specially designed post slugs containing malicious scripts, which are executed when the slug is accessed.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks associated with CVE-2020-28038.

Immediate Steps to Take

Update WordPress to version 5.5.2 or later to patch the vulnerability.
Regularly monitor and sanitize user-generated content to prevent the injection of malicious scripts.
Implement web application firewalls to filter and block malicious traffic.

Long-Term Security Practices

Conduct regular security audits and vulnerability assessments on your WordPress installation.
Educate users and administrators about safe practices to prevent XSS attacks.

Patching and Updates

Stay informed about security updates and patches released by WordPress and apply them promptly to ensure the security of your website.