XSS in Atlassian Data_center

CVE-2021-41304

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…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (53.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-41304?
CVE-2021-41304 is a medium-severity vulnerability in Atlassian Data_center, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-10-26.
How severe is CVE-2021-41304?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-41304 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.