← CVE Intelligence

CVE-2026-0279

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

Description (CNA)

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 (CNA)

Vendor / productVersions
Palo Alto Networks / Cloud NGFWunaffected All
Palo Alto Networks / PAN-OSaffected 12.1.0 before 12.1.8; affected 11.2.0 before 11.2.13; affected 11.1.0 before 11.1.16; affected 10.2.0 before 10.2.18-h8
Palo Alto Networks / Prisma Accessaffected 12.1.0 before 12.1.8; affected 11.2.0; affected 10.2.0

CWE

CWE-79

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

siemens-SADP

No English description supplied.