CVE-2026-0308
CVSS:4.0/AV:N/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
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Palo Alto Networks | Cloud NGFW | All | unaffected |
| Palo Alto Networks | PAN-OS | 12.2.0 < 12.2.3 | unaffected |
| Palo Alto Networks | PAN-OS | 12.1.0 < 12.1.10 | affected |
| Palo Alto Networks | PAN-OS | 11.2.0 < 11.2.13-h2 | affected |
| Palo Alto Networks | PAN-OS | 11.1.0 < 11.1.16-h2 | affected |
| Palo Alto Networks | Prisma Access | All < 12.1.4-h10 | unaffected |
Weaknesses
- CWE-79: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Workarounds
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.
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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