All vulnerabilities
CVE-2026-0316

Cloud NGFW: PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability

Palo Alto Networks Cloud NGFW
Open in ThreatlineRecord JSON
CVSS
1.1Low
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.27%Chance of exploitation activity in the next 30 days, higher than 17% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in12.2.4Also 12.1.10-h2, 11.2.16 and 1 moreCVE List
Published14 Oct 2026Updated 15 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Vendor and government advisories 1

Vendors that say their products are affected, and agencies that issued alerts. Check each for the fixed release of the product you run.

Reports 1

1 outlet mention it. Reports are not confirmation; each links to its source.

Description

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.

The security risk posed by this issue is minimized when the management interface is restricted to only trusted internal IP addresses according to our recommended  best practice deployment guidelines https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431 .

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 these vulnerabilities.

Text from CVE List

Affected versions 6

  • Cloud NGFWunaffected: AllCVE List
  • PAN-OSaffected: 12.2.0 before 12.2.4CVE List
  • PAN-OSaffected: 12.1.0 before 12.1.10-h2CVE List
  • PAN-OSaffected: 11.2.0 before 11.2.16CVE List
  • PAN-OSaffected: 11.1.0 before 11.1.16-h3CVE List
  • Prisma Accessunaffected: All before 12.1.7-h8CVE List

References 1