What’s Vulnerable › Vulnerabilities
CVE-2018-20827
- Severity: medium (CVSS 5.4 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.8% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2019-08-09 · updated 2026-06-17
- Weakness: CWE-79
Description
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
How to fix
Upgrade to a fixed version: Atlassian Jira 7.13.1. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2018-20827 or the next vulnerability affects your stack