Elastisearch Remote Code Execution Vulnerability

Summary
Elasticsearch is prone to a remote-code-execution vulnerability.
Impact
An attacker can exploit this issue to execute arbitrary code
Solution
Ask the vendor for an update or disable 'dynamic scripting'
Insight
Elasticsearch has a flaw in its default configuration which makes it possible for any webpage to execute arbitrary code on visitors with Elasticsearch installed.
Affected
Elasticsearch < 1.2
Detection
Send a special crafted HTTP GET request and check the response
References