The UniversalAvatarResource.getAvatars resource in Jira Server and Data Center before version 8.9.0 allows remote attackers to obtain information about custom project avatars names via an Improper authorization vulnerability.
The MessageBundleResource resource in Jira Server and Data Center before version 7.13.4, from 8.5.0 before 8.5.5, from 8.8.0 before 8.8.2, and from 8.9.0 before 8.9.1 allows remote attackers to impact the application's availability via an Denial of Service (DoS) vulnerability.
The email client in Jira Server and Data Center before version 7.13.16, from 8.5.0 before 8.5.7, from 8.8.0 before 8.8.2, and from 8.9.0 before 8.9.1 allows remote attackers to access outgoing emails between a Jira instance and the SMTP server via man-in-the-middle (MITM) vulnerability.
Affected versions 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 project configuration feature. The affected versions are before version 8.3.0.
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in Issue Navigator Basic Search. The affected versions are before version 7.13.9, and from version 8.0.0 before 8.4.2.
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to modify Wallboard settings via a Cross-site request forgery (CSRF) vulnerability. The affected versions are before version 7.13.9, and from version 8.0.0 before 8.4.2.
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.
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to impact the application's availability via a Denial of Service (DoS) vulnerability on the UserPickerBrowser.jspa page. The affected versions are before version 7.13.9, and from version 8.0.0 before 8.4.2.
Versions before 8.9.1, Various resources in Jira responded with a 404 instead of redirecting unauthenticated users to the login page, in some situations this may have allowed unauthorised attackers to determine if certain resources exist or not through an Information Disclosure vulnerability.
The way in which velocity templates were used in Atlassian Jira Server and Data Center prior to version 8.8.0 allowed remote attackers to gain remote code execution if they were able to exploit a server side template injection vulnerability.