CVE-2021-43942
Medium
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.
SeverityMedium
CVSS6.1
Exploit probability—
Product
Atlassian Jira Server
PublishedJan 4, 2022
First seenJan 4, 2022
How to fix
Update
- atlassian jira_server8.20.3 or later
- atlassian jira_server_and_data_center8.13.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| atlassian jira_server | 8.14.0 ≤ v < 8.20.3 | 8.20.3 |
| atlassian jira_server_and_data_center | v < 8.13.5 | 8.13.5 |
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