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Medium6.1Atlassian

Medium [CVE-2021-41304] Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to inject arbitrary HTML or JavaScript

This medium-severity Atlassian advisory covers CVE-2021-41304 affecting Jira.

CVE-2021-41304 Published Oct 26, 2021Updated by vendor Jun 17, 2026
Affected products & platforms
AtlassianJira
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Summary

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in the /secure/admin/ImporterFinishedPage.jspa error message. The affected versions are before version 8.13.12, and from version 8.14.0 before 8.20.2.

Affected versions
  • 8.14.0

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • 8.20.2

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation

Upgrade to a fixed release: 8.20.2. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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