VULNERABILITY INTELLIGENCE

CVE-2021-43942

CVSS score6.1 MEDIUM
EPSS probability55.36%
CISA KEVNot currently listed
Published2022-01-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

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 before 8.20.3.

Weakness classification

  • nvd@nist.gov: CWE-79

Primary references