CVE-2019-3402 : Vulnerability Insights and Analysis

A cross-site scripting (XSS) vulnerability in Jira versions prior to 7.13.3 and between 8.0.0 and 8.1.1 allows remote attackers to inject arbitrary HTML or JavaScript.

Understanding CVE-2019-3402

What is CVE-2019-3402?

The vulnerability exists in the ConfigurePortalPages.jspa resource of Jira, enabling attackers to inject malicious code via the searchOwnerUserName parameter.

The Impact of CVE-2019-3402

This vulnerability could be exploited by remote attackers to execute arbitrary scripts on the victim's browser, potentially leading to unauthorized access or data theft.

Technical Details of CVE-2019-3402

Vulnerability Description

The XSS vulnerability in Jira versions prior to 7.13.3 and between 8.0.0 and 8.1.1 allows for the injection of arbitrary HTML or JavaScript code.

Affected Systems and Versions

Product: Jira
Vendor: Atlassian
Affected Versions:
Versions less than 7.13.3
Version 8.0.0
Versions less than 8.1.1

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating the searchOwnerUserName parameter to inject malicious code into the affected Jira instances.

Mitigation and Prevention

Immediate Steps to Take

Upgrade Jira to version 7.13.3 or higher if using a version prior to this release.
For versions between 8.0.0 and 8.1.1, consider applying patches or updates provided by Atlassian.

Long-Term Security Practices

Regularly monitor and update Jira installations to the latest secure versions.
Implement input validation mechanisms to prevent XSS attacks.

Patching and Updates

Stay informed about security advisories from Atlassian and promptly apply recommended patches or updates to mitigate the risk of XSS vulnerabilities.