CVE-2020-14164 : Exploit Details and Defense Strategies

This CVE-2020-14164 article provides insights into a Cross Site Scripting (XSS) vulnerability in Jira Server and Data Center before version 8.8.2.

Understanding CVE-2020-14164

This CVE involves a security issue in the WYSIWYG editor resource of Jira Server and Data Center, allowing remote attackers to execute XSS attacks.

What is CVE-2020-14164?

The vulnerability in Jira Server and Data Center before version 8.8.2 enables malicious actors to inject arbitrary HTML or JavaScript code through the editor field, potentially leading to XSS attacks.

The Impact of CVE-2020-14164

The exploitation of this vulnerability could result in unauthorized execution of scripts, data theft, or manipulation of content within the affected Jira instances.

Technical Details of CVE-2020-14164

This section delves into the specifics of the vulnerability.

Vulnerability Description

The WYSIWYG editor resource in Jira Server and Data Center allows for the injection of arbitrary HTML or JavaScript code via an XSS vulnerability by inserting JavaScript code into the editor field.

Affected Systems and Versions

Product: Jira Server and Data Center
Vendor: Atlassian
Versions Affected: Before 8.8.2

Exploitation Mechanism

Attackers can exploit this vulnerability by pasting malicious JavaScript code into the editor field, which gets executed when viewed by other users.

Mitigation and Prevention

To address CVE-2020-14164, follow these mitigation strategies:

Immediate Steps to Take

Upgrade Jira Server and Data Center to version 8.8.2 or later to eliminate the vulnerability.
Educate users to avoid pasting untrusted code into the editor field.

Long-Term Security Practices

Regularly update and patch Jira Server and Data Center to prevent security vulnerabilities.

Patching and Updates

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