What is CVE-2019-20900?

CVE-2019-20900 is a vulnerability in Atlassian Jira Server and Data Center that allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the Add Field module.

How can remote attackers exploit CVE-2019-20900?

Remote attackers can exploit CVE-2019-20900 by injecting arbitrary HTML or JavaScript using a cross-site scripting (XSS) vulnerability in the Add Field module of Atlassian Jira Server and Data Center.

What versions of Atlassian Jira Server and Data Center are affected by CVE-2019-20900?

Versions of Atlassian Jira Server and Data Center before version 8.7.0 are affected by CVE-2019-20900.

What is the severity of CVE-2019-20900?

The severity of CVE-2019-20900 is medium, with a severity score of 4.8.

How do I fix CVE-2019-20900?

To fix CVE-2019-20900, upgrade Atlassian Jira Server and Data Center to version 8.7.0 or later.

Vulnerability/
CVE-2019-20900

medium

4.8

CWE

13/7/2020

17/9/2024

CVE-2019-20900: XSS

First published: Mon Jul 13 2020(Updated: )

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the Add Field module. The affected versions are before version 8.7.0.

Credit: security@atlassian.com

Affected Software	Affected Version	How to fix
Atlassian Jira Data Center	>=8.2.1<8.7.0
Atlassian Jira Server	>=8.2.1<8.7.0

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Reference Links

https://jira.atlassian.com/browse/JRASERVER-70858

Frequently Asked Questions

What is CVE-2019-20900?
CVE-2019-20900 is a vulnerability in Atlassian Jira Server and Data Center that allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the Add Field module.
How can remote attackers exploit CVE-2019-20900?
Remote attackers can exploit CVE-2019-20900 by injecting arbitrary HTML or JavaScript using a cross-site scripting (XSS) vulnerability in the Add Field module of Atlassian Jira Server and Data Center.
What versions of Atlassian Jira Server and Data Center are affected by CVE-2019-20900?
Versions of Atlassian Jira Server and Data Center before version 8.7.0 are affected by CVE-2019-20900.
What is the severity of CVE-2019-20900?
The severity of CVE-2019-20900 is medium, with a severity score of 4.8.
How do I fix CVE-2019-20900?
To fix CVE-2019-20900, upgrade Atlassian Jira Server and Data Center to version 8.7.0 or later.

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version/atlassian jira server/8.2.1

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