Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-0256

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 19.9%
CVSS Severity
CVSS v3 Score 4.8
Products affected by CVE-2026-0256


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