There was a man-in-the-middle (MITM) vulnerability present in the Confluence Previews plugin in Confluence Server and Confluence Data Center. This plugin was used to facilitate communication with the Atlassian Companion application. The Confluence Previews plugin in Confluence Server and Confluence Data Center communicated with the Companion application via the atlassian-domain-for-localhost-connections-only.com domain name, the DNS A record of which points at 127.0.0.1. Additionally, a signed certificate for the domain was publicly distributed with the Companion application. An attacker in the position to control DNS resolution of their victim could carry out a man-in-the-middle (MITM) attack between Confluence Server (or Confluence Data Center) and the atlassian-domain-for-localhost-connections-only.com domain intended to be used with the Companion application. This certificate has been revoked, however, usage of the atlassian-domain-for-localhost-connections-only.com domain name wa…

The WorkflowResource class removeStatus method in Jira before version 7.13.12, from version 8.0.0 before version 8.4.3, and from version 8.5.0 before version 8.5.2 allows authenticated remote attackers who do not have project administration access to remove a configured issue status from a project via a missing authorisation check.

The ListEntityLinksServlet resource in Application Links before version 5.0.12, from version 5.1.0 before version 5.2.11, from version 5.3.0 before version 5.3.7, from version 5.4.0 before 5.4.13, and from version 6.0.0 before 6.0.5 disclosed application link information to non-admin users via a missing permissions check.

Various resources in the Crowd Demo application of Atlassian Crowd before version 3.1.1 allow remote attackers to modify add, modify and delete users & groups via a Cross-site request forgery (CSRF) vulnerability. Please be aware that the Demo application is not enabled by default.

The login.jsp resource in Jira before version 8.5.2, and from version 8.6.0 before version 8.6.1 allows remote attackers to redirect users to a different website which they may use as part of performing a phishing attack via an open redirect in the os_destination parameter.

The /plugins/servlet/branchreview resource in Atlassian Fisheye and Crucible before version 4.7.3 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the reviewedBranch parameter.

The review resource in Atlassian Fisheye and Crucible before version 4.7.3 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability through the name of a missing branch.

The /json/profile/removeStarAjax.do resource in Atlassian Fisheye and Crucible before version 4.8.0 allows remote attackers to remove another user's favourite setting for a project via an improper authorization vulnerability.

The Atlassian Troubleshooting and Support Tools plugin prior to version 1.17.2 allows an unprivileged user to initiate periodic log scans and send the results to a user-specified email address due to a missing authorization check. The email message may contain configuration information about the application that the plugin is installed into. A vulnerable version of the plugin is included with Bitbucket Server / Data Center before 6.6.0, Confluence Server / Data Center before 7.0.1, Jira Server / Data Center before 8.3.2, Crowd / Crowd Data Center before 3.6.0, Fisheye before 4.7.2, Crucible before 4.7.2, and Bamboo before 6.10.2.

The Customer Context Filter in Atlassian Jira Service Desk Server and Jira Service Desk Data Center before 3.9.17, from 3.10.0 before 3.16.10, from 4.0.0 before 4.2.6, from 4.3.0 before 4.3.5, from 4.4.0 before 4.4.3, and from 4.5.0 before 4.5.1 allows remote attackers with portal access to view arbitrary issues in Jira Service Desk projects via a path traversal vulnerability. Note that when the 'Anyone can email the service desk or raise a request in the portal' setting is enabled, an attacker can grant themselves portal access, allowing them to exploit the vulnerability.