CVE-2019-8444 : Exploit Details and Defense Strategies

An XSS vulnerability in Jira versions prior to 7.13.6 and from 8.0.0 to 8.3.2 allows remote attackers to inject arbitrary HTML or JavaScript.

Understanding CVE-2019-8444

A Cross Site Scripting (XSS) vulnerability affecting Atlassian's Jira software.

What is CVE-2019-8444?

The wikirenderer component in Jira versions before 7.13.6 and from 8.0.0 to 8.3.2 is susceptible to XSS attacks, enabling remote attackers to inject malicious code.

The Impact of CVE-2019-8444

Remote attackers can inject arbitrary HTML or JavaScript code into vulnerable systems.

Technical Details of CVE-2019-8444

A detailed look at the vulnerability.

Vulnerability Description

The XSS vulnerability in the wikirenderer component of Jira allows attackers to exploit flaws in image attribute specification to inject malicious code.

Affected Systems and Versions

Product: Jira
Vendor: Atlassian
Vulnerable Versions:
Versions prior to 7.13.6
Versions from 8.0.0 to 8.3.2

Exploitation Mechanism

Attackers can exploit the vulnerability by injecting arbitrary HTML or JavaScript through the image attribute specification in Jira.

Mitigation and Prevention

Protecting systems from CVE-2019-8444.

Immediate Steps to Take

Upgrade Jira to version 7.13.6 or higher if using a version prior to this.
For versions between 8.0.0 and 8.3.2, apply the necessary patches provided by Atlassian.

Long-Term Security Practices

Regularly update Jira to the latest version to mitigate known vulnerabilities.
Educate users on safe practices to prevent XSS attacks.

Patching and Updates

Stay informed about security updates from Atlassian and apply patches promptly to secure Jira installations.