CVE-2021-43942

Published: Jan 4, 2022Modified: Jun 17, 2026

6.1

Vector

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

Exploitability: 2.8 / Impact: 2.7

Source: NVD

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.

Affected (2)

Products: Atlassian: Jira Server, Jira Server And Data Center

2 products

Jira Server And Data Center

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Atlassian Jira Server	From 8.14.0 to 8.20.3
Atlassian Jira Server And Data Center	Before 8.13.5

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (2)

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

Source: security@atlassian.com

Issue TrackingVendor Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingVendor Advisory

Timeline

No history available yet.