Palo Alto Networks next-generation firewall (NGFW) is one of the leading enterprise firewalls used by companies around the world to protect against various cyber-attacks. It runs on its own operating system PAN-OS.

A reflected cross-site scripting (XSS) vulnerability exists in GlobalProtect gateway and portal features of PAN-OS. A remote attacker able to convince a user with an active authenticated session on the firewall web interface to click on a crafted link could potentially execute arbitrary JavaScript code in the user's browser and hijack the user's session.

A remote attacker can potentially execute arbitrary JavaScript code in the user's browser and hijack the user's session in GlobalProtect.

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