Skip to content
Palo Alto NetworksCVE-2026-0308

Palo Alto Networks PAN-OS: cross-site scripting

Low1.1CVE-2026-0308 · Published Sep 10, 2026

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. 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.

Palo Alto Networks advisory

Affected versions

PackageAffectedFixed in
PAN-OS
Product
>= 12.1.0, < 12.1.1012.1.10
>= 11.2.0, < 11.2.13-h211.2.13-h2
>= 11.1.0, < 11.1.16-h211.1.16-h2
Details and references
CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-79

More Palo Alto Networks advisories

All Palo Alto Networks
Advisory
Palo Alto Networks Checkov by Prisma Cloud: code execution
Low2.4Sep 10
Palo Alto Networks Cortex XDR Broker VM: privilege escalation
Medium4.8Sep 10
Palo Alto Networks Checkov by Prisma Cloud: command injection
Low1.1Sep 10
Palo Alto Networks Cloud NGFW: buffer overflow
High7.2Sep 10
Palo Alto Networks Prisma: local user could bypass configured DLP policy...
Medium5.8Sep 10
Palo Alto Networks GlobalProtect App: privilege escalation
Medium5.9Sep 10

Critical advisories by email

Wednesdays: the week’s critical and high advisories in the AI and data stack, with the fixed versions. Only in weeks that have some.

Double opt-in. Unsubscribe any time.