CVE-2019-20440 : What You Need to Know

WSO2 API Manager 2.6.0 has a Reflected Cross-Site Scripting (XSS) vulnerability in the API Publisher's update API documentation feature.

Understanding CVE-2019-20440

This CVE involves a potential XSS vulnerability in WSO2 API Manager 2.6.0.

What is CVE-2019-20440?

An issue in WSO2 API Manager 2.6.0 allows for a Reflected Cross-Site Scripting (XSS) attack through the API Publisher's update API documentation feature.

The Impact of CVE-2019-20440

CVSS Base Score: 3.5 (Low)
Attack Vector: Network
Privileges Required: High
User Interaction: Required
Confidentiality Impact: Low
Integrity Impact: Low
This vulnerability does not impact availability.

Technical Details of CVE-2019-20440

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in WSO2 API Manager 2.6.0 allows for Reflected Cross-Site Scripting (XSS) attacks via the API Publisher's update API documentation feature.

Affected Systems and Versions

Affected Version: 2.6.0
Vendor: WSO2

Exploitation Mechanism

The vulnerability can be exploited through a network-based attack vector, requiring high privileges and user interaction.

Mitigation and Prevention

Protect your systems from CVE-2019-20440 with these mitigation strategies.

Immediate Steps to Take

Implement input validation mechanisms to sanitize user inputs.
Regularly monitor and audit API documentation updates for suspicious content.
Educate users about the risks of XSS attacks and safe browsing practices.

Long-Term Security Practices

Conduct regular security assessments and penetration testing on your API Manager.
Stay informed about security advisories and updates from WSO2.
Consider implementing a Web Application Firewall (WAF) to detect and block XSS attacks.

Patching and Updates

Apply patches or updates provided by WSO2 to address the XSS vulnerability in API Manager 2.6.0.