CVE-2021-43943

MediumCVSS 4.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.8/10CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

VendorProductVersions
AtlassianJira Service Management Server>= unspecified, < 4.21.0
AtlassianJira Service Management Data Center>= unspecified, < 4.21.0

References

Timeline

Published
Feb 24, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-439447.2This issue exists to document that a security improvement in the way that Jira Server and Data Center use templates has been implemented. AfCVE-2021-439454.8Affected versions of Atlassian Jira Server and Data Center allow remote attackers with Roadmaps Administrator permissions to inject arbitrarCVE-2021-439466.5Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to add administrator groups to filter subscrCVE-2021-439477.2Affected versions of Atlassian Jira Server and Data Center allow remote attackers with administrator privileges to execute arbitrary code viCVE-2021-439484.3Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view the names of privCVE-2021-439494.3Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view private objects vCVE-2021-43956.5The Abandoned Cart Recovery for WooCommerce plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and includinCVE-2021-439504.3Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view import source conCVE-2021-439514.3Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view object import conCVE-2021-439524.3Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to restore the default configuration of fiCVE-2021-439534.3Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to toggle the Thread Contention and CPU moCVE-2021-439544.3The DefaultRepositoryAdminService class in Fisheye and Crucible before version 4.8.9 allowed remote attackers, who have 'can add repository
CVE-2021-43943: Medium severity, CVSS 4.8 | Vulnix