CVE-2021-43945

Name of the Vulnerable Software and Affected Versions Atlassian Jira Server and Data Center versions prior to 8.20.3

Description The issue allows remote attackers with Roadmaps Administrator permissions to inject arbitrary HTML or JavaScript via a Stored Cross-Site Scripting (SXSS) vulnerability in the "/rest/jpo/1.0/hierarchyConfiguration" endpoint.

Recommendations For versions prior to 8.20.3, update to version 8.20.3 or later to resolve the issue. As a temporary workaround, consider restricting access to the "/rest/jpo/1.0/hierarchyConfiguration" endpoint until a patch is available. Restrict Roadmaps Administrator permissions to minimize the risk of exploitation.