What’s Vulnerable › Vulnerabilities
CVE-2018-20824
- Severity: medium (CVSS 6.1 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 38.0% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2019-05-03 · updated 2026-06-17
- Weakness: CWE-79
Description
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
How to fix
Upgrade to a fixed version: Atlassian Jira 7.13.1. Check the vendor advisory for mitigations.
References
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