Atlassian Jira 8.6.x < 8.11.1 Sensitive Data Exposure

According to its self-reported version number, the instance of Atlassian Jira hosted on the remote web server is prior to 8.5.8 or 8.6.x 8.11.1. It is, therefore, affected by a sensitive data exposure vulnerability that allows remote, unauthenticated attackers to view custom field names and custo...