CVE-2017-18083 Cross-site scripting in Confluence

What is CVE-2017-18083?

CVE-2017-18083 is a medium-severity cross-site scripting vulnerability in Atlassian Confluence, published on 2 Feb 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

The editinword resource in Atlassian Confluence Server before version 6.4.0 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability through the contents of an uploaded file.

Weakness: CWE-79

Which versions are affected by CVE-2017-18083?

It affects 1 product.

Products include Atlassian Confluence.

How do I fix CVE-2017-18083?

No fix has been published for CVE-2017-18083 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-2017-18083 being exploited?

There is no known exploitation of CVE-2017-18083 in the wild and no public exploit code.

Other vulnerabilities in Atlassian Confluence

• CVE-2019-3395 Server-side request forgery in Confluence Server Critical 9.8
• CVE-2019-3394 Path traversal in Confluence Server High 8.8
• CVE-2019-20406 Privilege escalation in Confluence Data Center High 7.8
• CVE-2019-15006 Other in Confluence Server Medium 6.5
• CVE-2017-18085 Cross-site scripting in Confluence Medium 6.1

Sources

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

Also known as GHSA-x8pc-8hm7-jmpr.