Skip to content
CVE PROGRAM SOURCE RECORD1.3 Low

CVE-2026-0279

PAN-OS: Multiple Cross-Site Scripting (XSS) Vulnerabilities

Description

Multiple cross site scripting vulnerabilities in the User-ID™ Authentication Portal (aka Captive Portal) service, GlobalProtect™ gateway/portal features and Clientless VPN of Palo Alto Networks PAN-OS® software enables a malicious unauthenticated user to store or execute malicious JavaScript payload. The security risk posed by this issue is minimized when the management interface and access to the User-ID™ Authentication Portal 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 is not affected by this vulnerability.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Palo Alto Networks Cloud NGFW

Default version status: unaffected

  • Allunaffected

Palo Alto Networks PAN-OS

Default version status: affected

  • 12.1.0 to < 12.1.8affected
  • 11.2.0 to < 11.2.13affected
  • 11.1.0 to < 11.1.16affected
  • 10.2.0 to < 10.2.18-h8affected

Palo Alto Networks Prisma Access

Default version status: affected

  • 12.1.0 to < 12.1.8affected
  • 11.2.0affected
  • 10.2.0affected

References