VULNERABILITY INTELLIGENCE

CVE-2021-43943

CVSS score4.8 MEDIUM

EPSS probability0.43%

CISA KEVNot currently listed

Published2022-02-24

Last modified2026-06-17

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

Description

Affected versions of Atlassian Jira Service Management Server and Data Center allow attackers with administrator privileges to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in the "Object Schema" field of /secure/admin/InsightDefaultCustomFieldConfig.jspa. The affected versions are before version 4.21.0.

Weakness classification

nvd@nist.gov: CWE-79

Primary references

security@atlassian.com — Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Vendor Advisory