Cross-Site Scripting in the Management Web Interface

A reflected cross-site scripting (XSS) vulnerability exists in the management web interface. PAN-OS contains an unauthenticated vulnerability that may allow for a reflected cross-site scripting (XSS) attack of the management web interface. (ref # PAN-76455 / CVE-2017-9459).
Successful exploitation of this issue may allow an attacker to inject arbitrary Java script or HTML.
This issue affects PAN-OS 6.1.17 and earlier, PAN-OS 7.0.15 and earlier, PAN-OS 7.1.10 and earlier, PAN-OS 8.0.2 and earlier

Work around:
Palo Alto Networks recommends to implement best practice by allowing web interface access only to a dedicated management network. Additionally, restrict the set of IP addresses to a subset of authorized sources that you allow to interact with the management network.