Description
A stored 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 impacted by this vulnerability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Palo Alto Networks | Cloud NGFW | — | All |
| Palo Alto Networks | PAN-OS | 12.1.0 – < 12.1.7, 11.2.0 – < 11.2.12, 11.1.0 – < 11.1.15, 10.2.0 – < 10.2.18-h6 | 12.1.7 |
| Palo Alto Networks | Prisma Access | — | All |
Advisories 3
- SSA-967325 SSA-967325: Multiple Vulnerabilities in Palo Alto Networks PAN-OS before V11.2.10-h7 on RUGGEDCOM APE1808 Devices Siemens ProductCERT · Oct 13, 2026
- ICSA-26-139-02 Siemens RUGGEDCOM APE1808 Devices CISA ICS & IT advisories · Jul 2, 2026
- WID-SEC-2026-1528 Palo Alto Networks PAN-OS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 9, 2026
References
- https://security.paloaltonetworks.com/CVE-2026-0256 vendor-advisory