CVE-2021-43942

medium · 6.1

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.

6.1

CVSS

55.4%

EPSS (exploit prob.)

99th

EPSS percentile

2022-01-04

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses

CWE-79

Affected products

Vendor	Product	Affected versions
atlassian	jira_server	>= 8.14.0, < 8.20.3
atlassian	jira_server_and_data_center	< 8.13.5

Check a specific version with /api/v1/cve/match.

References

https://jira.atlassian.com/browse/JRASERVER-73068
https://jira.atlassian.com/browse/JRASERVER-73068

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2021-43942