Atlassian Jira Server/Data Center <7.13.6, 8.0.0-8.5.7 - User Enumeration via ViewUserHover.jspa
Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the /ViewUserHover.jspa endpoint. The affected versions are before version 7.13.6, from version 8.0.0 before 8.5.7, and from version 8.6.0 before 8.12.0.