Cross-site scripting in Atlassian Jira Server and Data Center
Priority LOW 30CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
The attachment download resource in Atlassian Jira Server and Data Center before 8.5.5, and from 8.6.0 before 8.8.2, and from 8.9.0 before 8.9.1 allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability issue attachments with a mixed multipart content type.
Why it matters now
EPSS 0.01135 66th percentileScored 2026-11-07
Fix Fixed Jira Server and Data Center (Atlassian): 8.5.5, 8.8.2, 8.9.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Atlassian | Jira Server and Data Center | before 8.5.5; 8.6.0 and later; before 8.8.2; 8.9.0 and later; before 8.9.1 | 8.5.5, 8.8.2, 8.9.1 | Patch available | CNA |
- Jira Server and Data Center VendorAtlassian Affected before 8.5.5; 8.6.0 and later; before 8.8.2; 8.9.0 and later; before 8.9.1 Fixed in 8.5.5, 8.8.2, 8.9.1 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:* | before 8.5.5 | Vulnerable | Atlassian |
| cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:* | 8.6.0 to before 8.8.2; 8.9.0 to before 8.9.1 | Vulnerable | Atlassian |
| cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:* | 8.6.0 to before 8.8.2; 8.9.0 to before 8.9.1 | Vulnerable | Atlassian |
| cpe:2.3:a:atlassian:jira_software_data_center:*:*:*:*:*:*:*:* | before 8.5.5 | Vulnerable | Atlassian |
- cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:* Versions before 8.5.5 Vulnerable ·Atlassian
- cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:* Versions 8.6.0 to before 8.8.2; 8.9.0 to before 8.9.1 Vulnerable ·Atlassian
- cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:* Versions 8.6.0 to before 8.8.2; 8.9.0 to before 8.9.1 Vulnerable ·Atlassian
- cpe:2.3:a:atlassian:jira_software_data_center:*:*:*:*:*:*:*:* Versions before 8.5.5 Vulnerable ·Atlassian
Remediation
- Fix · CNA Jira Server and Data Center (Atlassian) Fixed in 8.5.5, 8.8.2, 8.9.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Atlassian Jira Server and Data Center 8.5.5, 8.8.2 and 2 more versions
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2020-03515 Cross-site scripting in Atlassian Jira Server and Data CenterPriority LOW 26
Timeline
- 2026-10-02 Threatist record created from CVE-2020-4022
- 2026-10-03 Alias added: GHSA-49xr-3mhp-pp54
References
More Atlassian Jira vulnerabilities
- TI-2020-18587 Incorrect authorization in Atlassian Jira Server CVSS 3.1MEDIUM 5.3
- TI-2012-02540 Atlassian JIRA before 5.0.1; Confluence before 3.5.16, 4.0 before 4.0.7, and 4.1 before… CVSS 3.1CRITICAL 9.1
- TI-2020-11107 Information disclosure in Atlassian Jira Server CVSS 3.1MEDIUM 5.3
- TI-2019-06058 The CachingResourceDownloadRewriteRule class in Jira before version 7.13.4, and from… CVSS 3.1HIGH 7.5
- TI-2019-06065 Missing authentication in Atlassian Jira CVSS 3.1MEDIUM 5.3
- TI-2017-03897 The JIRA Workflow Designer Plugin in Atlassian JIRA Server before 6.3.0 improperly uses… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2020-4022 · CVE Program
- CVE-2020-4022 · NVD
- FIRST EPSS
- GHSA-49xr-3mhp-pp54 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences