CVE-2021-41304 json
Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to inject arbitrary HTML or JavaScript via a Cr…
published 2021-10-26 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-28333
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
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.
Patch / fix
- Atlassian Jira Server 8.13.12, 8.20.2
- Atlassian Jira Data Center 8.13.12, 8.20.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- Atlassian Jira Server
- Atlassian Jira Data Center
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
jira.atlassian.com
/browse/JRASERVER-72939
issue-tracking, patch, vendor-advisory
Sources
- CVE List CVE-2021-41304
- NVD CVE-2021-41304
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.