Medium severity6.1NVD Advisory· Published Jan 4, 2022· Updated Jun 17, 2026
CVE-2021-43942
CVE-2021-43942
Description
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a Reflected Cross-Site Scripting (XSS) vulnerability in the /rest/collectors/1.0/template/custom endpoint. To exploit this issue, the attacker must trick a user into visiting a malicious website. The affected versions are before version 8.13.15, and from version 8.14.0 before 8.20.3.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*range: >=8.14.0,<8.20.3
- (no CPE)range: unspecified
- cpe:2.3:a:atlassian:jira_server_and_data_center:*:*:*:*:*:*:*:*Range: <8.13.5
- Range: before 8.13.15, and from 8.14.0 before 8.20.3
- Range: unspecified
Patches
Vulnerability mechanics
References
1- jira.atlassian.com/browse/JRASERVER-73068nvdIssue TrackingVendor Advisory
News mentions
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