Hackerone Extend vulnerabilities

• extend project extend Prototype Pollution in extend CVE-2018-16492 Public exploitFix available 9.8 CriticalFebruary 1, 2019
• dreamerslab node.extend Prototype Pollution in node.extend CVE-2018-16491 Fix available 9.8 CriticalFebruary 1, 2019
• hackerone just-extend Prototype Pollution in just-extend CVE-2018-16489 Fix available 9.8 CriticalFebruary 1, 2019