CVE-2019-20900

4.8 mediumEPSS 0.9%

Medium (4.8) in atlassian. EPSS 0.9% chance of exploitation in the next 30 days.

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the Add Field module. The affected versions are before version 8.7.0.

Severity

CVSS 3.1

4.8 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2020-07-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

atlassian:jira_data_center
atlassian:jira_server

References

https://jira.atlassian.com/browse/JRASERVER-70858
https://jira.atlassian.com/browse/JRASERVER-70858

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