CVE-2019-14998: Atlassian Jira Server

Medium severity, CVSS 6.5. EPSS: 1.2% chance of exploitation in the next 30 days.

The Webwork action Cross-Site Request Forgery (CSRF) protection implementation in Jira before version 8.4.0 allows remote attackers to bypass its protection via "cookie tossing" a CSRF cookie from a subdomain of a Jira instance.

Affected products

• Atlassian Jira Server: from 7.4.0, before 8.4.0 (fixed in 8.4.0)

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