CVE-2018-20824: Atlassian Jira

Medium severity, CVSS 6.1. EPSS: 38% chance of exploitation in the next 30 days.

The WallboardServlet resource 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 cyclePeriod parameter.

Affected products

• Atlassian Jira: before 7.13.1 (fixed in 7.13.1)

Published 2019-05-03. Last modified 2026-06-17.