CVE-2019-25028 : Security Advisory and Response

CVE-2019-25028, a stored cross-site scripting vulnerability in the Grid component of Vaadin versions 7.4.0 through 7.7.19 and 8.0.0 through 8.8.4, allows attackers to inject malicious JavaScript. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2019-25028

What is CVE-2019-25028?

The Grid component in Vaadin versions 7.4.0 through 7.7.19 and 8.0.0 through 8.8.4 is susceptible to malicious JavaScript injection due to the lack of variable sanitization.

The Impact of CVE-2019-25028

This vulnerability enables attackers to inject harmful JavaScript through an unspecified method or channel, potentially leading to cross-site scripting attacks.

Technical Details of CVE-2019-25028

Vulnerability Description

The Grid component in Vaadin versions 7.4.0 through 7.7.19 and 8.0.0 through 8.8.4 is vulnerable to stored cross-site scripting due to inadequate variable sanitization.

Affected Systems and Versions

Affected Versions: 7.4.0 - 7.7.19, 8.0.0 - 8.8.4
Products: Vaadin, vaadin-server

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: None
User Interaction: None
Scope: Changed

Mitigation and Prevention

Immediate Steps to Take

Update to the latest patched versions of Vaadin to mitigate the vulnerability.
Implement input validation and output encoding to prevent XSS attacks.

Long-Term Security Practices

Regularly monitor and audit your web applications for security vulnerabilities.
Educate developers on secure coding practices to prevent similar issues in the future.

Patching and Updates

Apply security patches provided by Vaadin promptly to address the vulnerability.