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Vulnerability record · CVE-2021-41304 · published 26 October 2021

CVE-2021-41304: Atlassian data center cross-site scripting vulnerability

Atlassian · Data Center

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.

6.1 CVSS 3.1 Medium EPSS 0.88% · top 42.2% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
0.88%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://jira.atlassian.com/browse/JRASERVER-72939 Issue TrackingPatchVendor Advisory
https://jira.atlassian.com/browse/JRASERVER-72939 Issue TrackingPatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-41304), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.