CVE-2021-39117

MEDIUM 4.8CVE-2021-39117 · Published 30/08/2021 · updated 17/06/2026

In short

CVE-2021-39117 is a MEDIUM (CVSS 4.8) vulnerability affecting data center (atlassian), jira (atlassian).
Chance of exploitation in the next 30 days (EPSS): 0.64%, higher than 50.4% of all vulnerabilities.
Fix: update to 8.18.0 or later.

Package	Affected versions	Patched versions
data center atlassian	`< 8.18.0`	`8.18.0`
jira atlassian	`< 8.18.0`	`8.18.0`

Description

The AssociateFieldToScreens page in Atlassian Jira Server and Data Center before version 8.18.0 allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability via the name of a custom field.

References

jira.atlassian.com/browse/JRASERVER-72597 · Issue Tracking

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Package

Affected versions

Patched versions

data center

atlassian

< 8.18.0

8.18.0

jira

atlassian

< 8.18.0

8.18.0

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