CVE-2019-3400 : What You Need to Know

CVE-2019-3400 is a Cross-Site Scripting (XSS) vulnerability affecting Atlassian's Jira software versions prior to 7.13.2 and from 8.0.0 to 8.0.2. This vulnerability allows remote attackers to inject malicious HTML or JavaScript code through the Jira labels gadget.

Understanding CVE-2019-3400

This section provides insights into the nature and impact of the CVE-2019-3400 vulnerability.

What is CVE-2019-3400?

CVE-2019-3400 is a security flaw in Jira that enables attackers to execute XSS attacks by injecting unauthorized code via the jql parameter.

The Impact of CVE-2019-3400

The vulnerability in Jira's labels gadget can be exploited by malicious actors to inject arbitrary HTML or JavaScript code, potentially leading to unauthorized access or data manipulation.

Technical Details of CVE-2019-3400

Explore the technical aspects of the CVE-2019-3400 vulnerability.

Vulnerability Description

The XSS vulnerability in Jira versions prior to 7.13.2 and from 8.0.0 to 8.0.2 allows for the injection of malicious code through the jql parameter, posing a risk of unauthorized code execution.

Affected Systems and Versions

Product: Jira
Vendor: Atlassian
Vulnerable Versions:
Versions less than 7.13.2
Versions greater than or equal to 8.0.0 and less than 8.0.2

Exploitation Mechanism

Attackers exploit the vulnerability by injecting malicious HTML or JavaScript code through the jql parameter in the Jira labels gadget, potentially compromising the integrity and security of the system.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2019-3400.

Immediate Steps to Take

Upgrade Jira to version 7.13.2 or above to mitigate the vulnerability.
Implement input validation mechanisms to sanitize user inputs and prevent XSS attacks.

Long-Term Security Practices

Regularly monitor and audit the Jira instance for any suspicious activities.
Educate users on safe browsing practices and the importance of reporting security issues promptly.

Patching and Updates

Stay informed about security patches and updates released by Atlassian for Jira.
Apply patches promptly to ensure the system is protected against known vulnerabilities.