CVE-2018-20827: Atlassian Jira

Medium severity, CVSS 5.4. EPSS: 0.8% chance of exploitation in the next 30 days.

The activity stream gadget in Jira before version 7.13.1 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the country parameter.

Affected products

• Atlassian Jira: from 7.0.0, before 7.13.1 (fixed in 7.13.1)

Published 2019-08-09. Last modified 2026-06-17.