What is GHSA-q845-rv2h-x553?

GHSA-q845-rv2h-x553 is a security advisory published by GitHub Security Advisories with Medium severity. A stored cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS® software enables...

Which CVE IDs does GHSA-q845-rv2h-x553 cover?

GHSA-q845-rv2h-x553 covers the following CVE IDs: CVE-2026-0256. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q845-rv2h-x553?

GHSA-q845-rv2h-x553 has a CVSS v3 base score of 4.8, published by GitHub Security Advisories.

GHSA-q845-rv2h-x553MediumCVSS 4.8

A stored cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS® software enables...

Vendor

GitHub Security Advisories

Published

May 13, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-0256 →

📋 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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-0256
https://security.paloaltonetworks.com/CVE-2026-0256
https://cert-portal.siemens.com/productcert/html/ssa-967325.html
https://github.com/advisories/GHSA-q845-rv2h-x553