Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the QueryComponentRendererValue!Default.jspa endpoint. The affected versions are before version 8.5.13, from version 8.6.0 before 8.13.5, and from version 8.14.0 before 8.15.1.
The issue navigation and search view in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before version 8.13.4, and from version 8.14.0 before version 8.15.1 allows remote attackers to inject arbitrary HTML or JavaScript via a DOM Cross-Site Scripting (XSS) vulnerability caused by parameter pollution.
The Jira importers plugin AttachTemporaryFile rest resource in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before 8.13.4, and from version 8.14.0 before 8.15.1 allowed remote authenticated attackers to obtain the full path of the Jira application data directory via an information disclosure vulnerability in the error message when presented with an invalid filename.
The jira.editor.user.mode cookie set by the Jira Editor Plugin in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before version 8.13.4, and from version 8.14.0 before version 8.15.0 allows remote anonymous attackers who can perform an attacker in the middle attack to learn which mode a user is editing in due to the cookie not being set with a secure attribute if Jira was configured to use https.
The dashboard gadgets preference resource of the Atlassian gadgets plugin used in Jira Server and Jira Data Center before version 8.13.5, and from version 8.14.0 before version 8.15.1 allows remote anonymous attackers to obtain gadget related settings via a missing permissions check.
The SetFeatureEnabled.jspa resource in Jira Server and Data Center before version 8.5.13, from version 8.6.0 before version 8.13.5, and from version 8.14.0 before version 8.15.1 allows remote anonymous attackers to enable and disable Jira Software configuration via a cross-site request forgery (CSRF) vulnerability.
The /rest/api/1.0/render resource in Jira Server and Data Center before version 8.5.13, from version 8.6.0 before version 8.13.5, and from version 8.14.0 before version 8.15.1 allows remote anonymous attackers to determine if a username is valid or not via a missing permissions check.
The membersOf JQL search function in Jira Server and Data Center before version 8.5.13, from version 8.6.0 before version 8.13.5, and from version 8.14.0 before version 8.15.1 allows remote anonymous attackers to determine if a group exists & members of groups if they are assigned to publicly visible issue field.
The MessageBundleWhiteList class of atlassian-gadgets before version 4.2.37, from version 4.3.0 before 4.3.14, from version 4.3.2.0 before 4.3.2.4, from version 4.4.0 before 4.4.12, and from version 5.0.0 before 5.0.1 allowed unexpected DNS lookups and requests to arbitrary services as it incorrectly obtained application base url information from the executing http request which could be attacker controlled.