UpHeron
All vulnerabilities

Servers and applications

CVE-2021-43942

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a Reflected Cross-Site Scripting (XSS) vulnerability in the /rest/collectors/1.0/template/custom endpoint. To exploit this issue, the attacker must trick a user into visiting a malicious website. The affected versions are before version 8.13.15, and from version 8.14.0…

Severity
Medium 6.1
Published
4 Jan 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.20.3
Sources
NVD

Affected software

SoftwareAffected versions
JiraServers and applications · cpe:a:atlassian:jira_server
  • From 8.14.0 before 8.20.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-43942
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-43942