CVE-2026-0266

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.

CVSS v3 4.8 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.7 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://security.paloaltonetworks.com/CVE-2026-0266	Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-104023.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:paloaltonetworks:pan-os::::::::
	cpe:2.3:o:paloaltonetworks:pan-os::::::::
	cpe:2.3:o:paloaltonetworks:pan-os::::::::

History

No history.

Information

Published : 2026-06-10 22:16

Updated : 2026-07-23 09:10

NVD link : CVE-2026-0266

Mitre link : CVE-2026-0266

CVE.ORG link : CVE-2026-0266

JSON object : View

Products Affected

paloaltonetworks

pan-os

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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