CVE-2020-14175 Cross-site scripting in Confluence Server

What is CVE-2020-14175?

CVE-2020-14175 is a medium-severity cross-site scripting vulnerability in Atlassian Confluence Server, published on 24 Jul 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Affected versions of Atlassian Confluence Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in user macro parameters. The affected versions are before version 7.4.2, and from version 7.5.0 before 7.5.2.

Weakness: CWE-79

Which versions are affected by CVE-2020-14175?

It affects 2 products.

Products include Atlassian Confluence Data Center, Atlassian Confluence Server.

How do I fix CVE-2020-14175?

No fix has been published for CVE-2020-14175 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-2020-14175 being exploited?

There is no known exploitation of CVE-2020-14175 in the wild and no public exploit code.

Other vulnerabilities in Atlassian Confluence Server

• CVE-2023-22527 Atlassian Confluence Data Center and Server Template Injection Exploited Critical 10.0
• CVE-2023-22518 Atlassian Confluence Data Center and Server Improper Authorization Exploited Critical 10.0
• CVE-2023-22515 Atlassian Confluence Data Center and Server Broken Access Control Exploited Critical 10.0
• CVE-2022-26134 Atlassian Confluence Server and Data Center Remote Code Execution Exploited Critical 9.8
• CVE-2021-26084 Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection Exploited Critical 9.8

Sources

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

Also known as GHSA-fxvf-vgj9-gphr.