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.

Affected versions are: Before 8.5.5, and from 8.6.0 before 8.8.1 of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the XML export view.

Export HTML Report in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1 allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability.

The Gadget API in Atlassian Jira Server and Data Center in affected versions allows remote attackers to make Jira unresponsive via repeated requests to a certain endpoint in the Gadget API. The affected versions are before version 8.5.4, and from version 8.6.0 before 8.6.1.

The TM Software Tempo plugin before 6.4.3.1, 6.5.x before 6.5.0.2, and 7.x before 7.0.3 for Atlassian JIRA does not properly restrict the capabilities of third-party XML parsers, which allows remote authenticated users to cause a denial of service (resource consumption) via unspecified vectors.

The Editor plugin in Atlassian Jira Server and Data Center before version 8.5.18, from 8.6.0 before 8.13.10, and from version 8.14.0 before 8.18.2 allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in the handling of supplied content such as from a PDF when pasted into a field such as the description field.

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 Convert Sub-Task to Issue page in affected versions of Atlassian Jira Server and Data Center allow remote attackers to enumerate the following information via an Improper Authentication vulnerability: Workflow names; Project Key, if it is part of the workflow name; Issue Keys; Issue Types; Status Types. The affected versions are before version 7.13.9, and from version 8.0.0 before 8.4.2.

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 attachment download resource in Atlassian Jira Server and Data Center before 8.5.5, and from 8.6.0 before 8.8.2, and from 8.9.0 before 8.9.1 allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability issue attachments with a mixed multipart content type.

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.

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to enumerate project keys via an Information Disclosure vulnerability in the /browse.PROJECTKEY endpoint. The affected versions are before version 7.13.7, from version 8.0.0 before 8.5.8, and from version 8.6.0 before 8.12.0.

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.

Comment properties in Atlassian Jira Server and Data Center before version 7.13.12, from 8.0.0 before version 8.5.4, and 8.6.0 before version 8.6.1 allows remote attackers to make comments on a ticket to which they do not have commenting permissions via a broken access control bug.

A cross-site request forgery (CSRF) vulnerability in Jenkins NeuVector Vulnerability Scanner Plugin 1.22 and earlier allows attackers to connect to an attacker-specified hostname and port using attacker-specified username and password.

Affected versions of Atlassian Jira Server and Data Center allow remote attackers with administrator privileges to execute arbitrary code via a Remote Code Execution (RCE) vulnerability in the Email Templates feature. This issue bypasses the fix of https://jira.atlassian.com/browse/JSDSERVER-8665. The affected versions are before version 8.13.15, and from version 8.14.0 before 8.20.3.

Affected versions of Atlassian Jira Server and Data Center allow authenticated yet non-administrator remote attackers to edit the File Replication settings via a Broken Access Control vulnerability in the `ReplicationSettings!default.jspa` endpoint. The affected versions are before version 8.6.0, from version 8.7.0 before 8.13.12, and from version 8.14.0 before 8.20.1.

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in the /secure/admin/ImporterFinishedPage.jspa error message. The affected versions are before version 8.13.12, and from version 8.14.0 before 8.20.2.

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to the query component JQL endpoint via a Broken Access Control vulnerability (BAC) vulnerability. The affected versions are before version 8.5.10, and from version 8.6.0 before 8.13.1.

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to view users' emails via an Information Disclosure vulnerability in the /rest/api/2/search 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.