CVE-2019-8450: Atlassian Jira Server

Medium severity, CVSS 4.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Various templates of the Optimization plugin in Jira before version 7.13.6, and from version 8.0.0 before version 8.4.0 allow remote attackers who have permission to manage custom fields to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the name of a custom field.

Affected products

• Atlassian Jira Server: from 7.13.0, before 7.13.6 (fixed in 7.13.6); from 8.0.0, before 8.4.0 (fixed in 8.4.0)

Published 2019-09-11. Last modified 2026-06-17.