CVE-2021-46163 : Security Advisory and Response

Kentico Xperience 13.0.44 allows XSS via an XML document to the Media Libraries subsystem.

Understanding CVE-2021-46163

Kentico Xperience 13.0.44 is vulnerable to cross-site scripting (XSS) attacks through the Media Libraries subsystem.

What is CVE-2021-46163?

CVE-2021-46163 is a security vulnerability in Kentico Xperience 13.0.44 that enables attackers to execute malicious code through an XML document in the Media Libraries subsystem.

The Impact of CVE-2021-46163

The vulnerability allows for XSS attacks, potentially leading to unauthorized access, data theft, or further exploitation of the affected system.

Technical Details of CVE-2021-46163

Kentico Xperience 13.0.44 vulnerability details.

Vulnerability Description

Vulnerability Type: Cross-Site Scripting (XSS)
Attack Vector: XML document in Media Libraries subsystem

Affected Systems and Versions

Product: Kentico Xperience 13.0.44
Vendor: Kentico
Version: 13.0.44

Exploitation Mechanism

Attackers can craft a malicious XML document to inject and execute arbitrary scripts within the Media Libraries subsystem, potentially compromising user data and system integrity.

Mitigation and Prevention

Steps to address and prevent CVE-2021-46163

Immediate Steps to Take

Update Kentico Xperience to the latest secure version.
Implement input validation and output encoding to mitigate XSS vulnerabilities.
Monitor and restrict access to the Media Libraries subsystem.

Long-Term Security Practices

Regular security assessments and code reviews.
Educate users on safe browsing practices and potential phishing attempts.

Patching and Updates

Refer to vendor security advisories for patches and updates to address the XSS vulnerability in Kentico Xperience 13.0.44.