CVE-2018-13387 Cross-site scripting in Jira

What is CVE-2018-13387?

CVE-2018-13387 is a medium-severity cross-site scripting vulnerability in Atlassian Jira, published on 16 Jul 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The IncomingMailServers resource in Atlassian JIRA Server before version 7.6.7, from version 7.7.0 before version 7.7.5, from version 7.8.0 before version 7.8.5, from version 7.9.0 before version 7.9.3 and from version 7.10.0 before version 7.10.2 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the messagesThreshold parameter as the fix for CVE-2017-18039 was incomplete.

Weakness: CWE-79

Which versions are affected by CVE-2018-13387?

It affects 2 products.

Products include Atlassian Jira, Atlassian Jira Server.

How do I fix CVE-2018-13387?

No fix has been published for CVE-2018-13387 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-2018-13387 being exploited?

There is no known exploitation of CVE-2018-13387 in the wild and no public exploit code.

Other vulnerabilities in Atlassian Jira

• CVE-2020-14172 Deserialization in Jira Server Critical 9.8
• CVE-2019-20409 Code injection in Jira Server Critical 9.8
• CVE-2017-5983 Deserialization in n/a Critical 9.8
• CVE-2010-1165 Code injection in n/a Critical 9.0
• CVE-2016-4319 Cross-site request forgery in Atlassian JIRA Server before 7.1.9 High 8.8

All Atlassian Jira vulnerabilities

Sources

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

Also known as GHSA-4vcq-p545-v548.