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.

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 this vulnerability.

Metrics

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00265.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Palo Alto Networks Subscribe
Pan-os Subscribe

No data.

No data.

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No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No known workarounds exist for this issue. Customers with a Threat Prevention subscription are provided with limited coverage against this vulnerability by enabling Threat ID 510040 and 510041 (from Applications and Threats content version 9145-10233 and later). For these Threat IDs to protect against attacks for this vulnerability: * Route incoming traffic for the MGT port through a DP port https://docs.paloaltonetworks.com/best-practices/10-1/administrative-access-best-practices/administrative-access-best-practices/deploy-administrative-access-best-practices#id59206398-3dab-4b2f-9b4b-7ea500d036ba , e.g., enabling management profile on a DP interface for management access. * Replace the Certificate for Inbound Traffic Management https://docs.paloaltonetworks.com/best-practices/10-1/administrative-access-best-practices/administrative-access-best-practices/deploy-administrative-access-best-practices#id112f7714-8995-4496-bbf9-781e63dec71c . * Decrypt inbound traffic to the management interface so the firewall can inspect it https://docs.paloaltonetworks.com/best-practices/10-1/administrative-access-best-practices/administrative-access-best-practices/deploy-administrative-access-best-practices#idbbd82587-17a2-42b4-9245-d3714e1e13a2 . * Enable threat prevention on the inbound traffic to management services. Please note that this Threat ID requires SSL Decryption.

References
Link Providers
https://security.paloaltonetworks.com/CVE-2026-0308 cve-icon cve-icon
History

Thu, 10 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 10 Sep 2026 06:00:00 +0000

Type Values Removed Values Added
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. 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 this vulnerability.
Title PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface
First Time appeared Palo Alto Networks
Palo Alto Networks pan-os
Weaknesses CWE-79
CPEs cpe:2.3:o:palo_alto_networks:pan-os:*:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.0:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.10:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.11:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.12:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.13:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.14:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.15:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.16:-:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.16:h1:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.1:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.2:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.3:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.4:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.5:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.6:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.8:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.9:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.0:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.10:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.11:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.12:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.13:-:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.13:h1:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.1:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.2:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.3:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.4:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.5:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.6:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.7:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.8:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.9:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.2:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.3:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.5:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.6:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.7:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.8:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.9:*:*:*:*:*:*:*
Vendors & Products Palo Alto Networks
Palo Alto Networks pan-os
References
Metrics cvssV4_0

{'score': 0.4, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: palo_alto

Published:

Updated: 2026-09-10T13:04:03.221Z

Reserved: 2025-11-03T20:45:07.021Z

Link: CVE-2026-0308

cve-icon Vulnrichment

Updated: 2026-09-10T13:03:54.803Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-10T06:17:03.513

Modified: 2026-09-10T14:50:07.813

Link: CVE-2026-0308

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-10T08:00:06Z

Weaknesses