CVE-2019-20438 : Security Advisory and Response

WSO2 API Manager 2.6.0 has a stored Cross-Site Scripting (XSS) vulnerability in the API Publisher's inline API documentation editor page.

Understanding CVE-2019-20438

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

What is CVE-2019-20438?

An issue in WSO2 API Manager 2.6.0 allows for a stored Cross-Site Scripting (XSS) vulnerability in the API Publisher's inline API documentation editor page.

The Impact of CVE-2019-20438

CVSS Base Score: 4.8 (Medium Severity)
Attack Vector: Network
Privileges Required: High
User Interaction: Required
Scope: Changed
Confidentiality Impact: Low
Integrity Impact: Low
Availability Impact: None

Technical Details of CVE-2019-20438

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows for stored Cross-Site Scripting (XSS) attacks in the API Publisher's inline API documentation editor page of WSO2 API Manager 2.6.0.

Affected Systems and Versions

Affected Version: 2.6.0
Vendor: WSO2

Exploitation Mechanism

The vulnerability can be exploited by an attacker with high privileges requiring user interaction to manipulate the API documentation editor page.

Mitigation and Prevention

Protecting systems from CVE-2019-20438 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by WSO2 promptly.
Restrict access to the API documentation editor to authorized personnel only.
Educate users on safe documentation editing practices.

Long-Term Security Practices

Regularly update and patch the API Manager software.
Conduct security audits and penetration testing to identify vulnerabilities.
Implement content security policies to mitigate XSS risks.

Patching and Updates

Ensure that the latest security patches and updates from WSO2 are consistently applied to the API Manager.