CVE-2017-18102 Cross-site scripting in atlassian-renderer

What is CVE-2017-18102?

CVE-2017-18102 is a medium-severity cross-site scripting vulnerability in Atlassian Jira Server, published on 17 Apr 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 wiki markup component of atlassian-renderer from version 8.0.0 before version 8.0.22 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in nested wiki markup.

Weakness: CWE-79

Which versions are affected by CVE-2017-18102?

It affects 1 product.

Products include Atlassian Jira Server.

How do I fix CVE-2017-18102?

No fix has been published for CVE-2017-18102 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-2017-18102 being exploited?

There is no known exploitation of CVE-2017-18102 in the wild and no public exploit code.

Other vulnerabilities in Atlassian Jira Server

• CVE-2019-11581 Atlassian Jira Server and Data Center Server-Side Template Injection Exploited Critical 9.8
• CVE-2019-20400 Code injection in Jira Server High 7.8
• CVE-2020-14177 Denial of service in Jira Server Medium 6.5
• CVE-2019-20401 Cross-site request forgery in Jira Server Medium 6.5
• CVE-2019-14998 Cross-site request forgery in Jira Medium 6.5

All Atlassian Jira Server vulnerabilities

Sources

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

Also known as GHSA-f82g-7j3w-739m.