Junos J-Web Persistent Cross Site Scripting Vulnerability

Summary
Persistent XSS Vulnerability in J-Web
Impact
A remote unauthenticated user can inject web script or HTML and steal sensitive data and credentials from a J-Web session and perform administrative actions on the Junos device.
Solution
New builds of Junos OS software are available from Juniper.
Insight
A persistent cross site scripting vulnerability in J-Web may allow a remote unauthenticated user to inject web script or HTML and steal sensitive data and credentials from a J-Web session and to perform administrative actions on the Junos device. An attacker can inject web script or HTML even when J-Web is disabled, but the vulnerability can only be exploited when J-Web is used to monitor the system.
Affected
Junos OS 11.4, 12.1, 12.2, 12.3, 13.1, 13.2, 13.3.
Detection
Check the OS build.
References