CVE-2020-14166 Cross-site scripting in Jira Service Desk Server and Data Center

What is CVE-2020-14166?

CVE-2020-14166 is a medium-severity cross-site scripting vulnerability in Atlassian Jira Service Desk Server and Data Center, published on 1 Jul 2020. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The /servicedesk/customer/portals resource in Jira Service Desk Server and Data Center before version 4.10.0 allows remote attackers with project administrator privileges to inject arbitrary HTML or JavaScript names via an Cross Site Scripting (XSS) vulnerability by uploading a html file.

Weakness: CWE-79

Which versions are affected by CVE-2020-14166?

It affects 1 product.

Products include Atlassian Jira Service Desk.

How do I fix CVE-2020-14166?

No fix has been published for CVE-2020-14166 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2020-14166 being exploited?

There is no known exploitation of CVE-2020-14166 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Atlassian Jira Service Desk Server and Data Center

• CVE-2019-15004 Path traversal in Jira Service Desk Data Center High 7.5
• CVE-2019-14994 Path traversal in Jira Service Desk Data Center High 7.5
• CVE-2021-39115 Code injection in Jira Service Desk Data Center High 7.2
• CVE-2021-43959 Server-side request forgery in Jira Service Management Data Center Medium 5.7
• CVE-2019-15003 Missing authorization in Jira Service Desk Data Center Medium 5.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-r66f-f7w5-7r65.