UpHeron
All vulnerabilities

Servers and applications

CVE-2020-4022

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.

Severity
Medium 6.1
Published
1 Jul 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.5.5, 8.8.2, 8.9.1
Sources
NVD

Affected software

SoftwareAffected versions
JiraServers and applications · cpe:a:atlassian:jira
  • Every version before 8.5.5
JiraServers and applications · cpe:a:atlassian:jira_data_center
  • From 8.6.0 before 8.8.2
  • From 8.9.0 before 8.9.1
JiraServers and applications · cpe:a:atlassian:jira_server
  • From 8.6.0 before 8.8.2
  • From 8.9.0 before 8.9.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-4022
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-4022