Description
A stored cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS® software enables a malicious authenticated administrator to store or execute a JavaScript payload using the web interface.
The security risk posed by this issue is minimized when the management interface is restricted to only trusted internal IP addresses according to our recommended best practice deployment guidelines https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431 .
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 these vulnerabilities.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Palo Alto Networks | Cloud NGFW | — | All |
| Palo Alto Networks | PAN-OS | 12.2.0 – < 12.2.4, 12.1.0 – < 12.1.10-h2, 11.2.0 – < 11.2.16, 11.1.0 – < 11.1.16-h3 | 12.2.4 |
| Palo Alto Networks | Prisma Access | — | — |
Advisories 2
- SSA-104023 SSA-104023: Multiple Vulnerabilities in Palo Alto Networks PAN-OS on RUGGEDCOM APE1808 Devices Siemens ProductCERT · Nov 10, 2026
- WID-SEC-2026-3947 Palo Alto Networks PAN-OS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 14, 2026
References
- PAN-OS Security Advisory vendor-advisory