Vulnerabilities CVE-2026-0266

CVE-2026-0266

Low

Open

TLP:CLEAR

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

NVD CVE.org

Critical Infrastructure

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Description

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.

Details

CVSS Score: 1.1
EPSS Score ⓘ: 0.13%

2.9th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber
Confidence: 90%
Published: Jun 10, 2026
Last Modified: Aug 11, 2026

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