Refer to [ESB-2022-2737] Remote code execution, with webshells written to disk. All versions of Atlassian's corporate Wiki system, Confluence, are affected by a serious bug under active exploitation, possibly by Chinese threat actors. Atlassian has confirmed the critical vulnerability in Confluence Server and Data Center, and the company said there is currently no fix but it is working on a patch. Administrators should not expose Confluence to the Internet, and disable instances of the corporate Wiki, as options to keep themselves secure.