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CVE-2026-0266 — PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface

Affected: Palo Alto Networks Cloud NGFW, Palo Alto Networks PAN-OS, Palo Alto Networks Prisma Access, Siemens RUGGEDCOM APE1808

A cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS® software enables a malicious authenticated administrator to store a JavaScript payload using the web interface.

This issue is applicable to PAN-OS software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series).

Cloud NGFW and Prisma® Access are not affected by this vulnerability.

Updated on 2026-10-07T00:12:02.249866+00:00