CVE-2026-0308

PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface

LOW
1.1
CVSS Score
Published: September 10, 2026 at 05:48 AM UTC
Updated: October 15, 2026 at 02:18 AM UTC
1 product affected across 1 vendorPAN-OS

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Severity
LOW1.1
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Affected range stops below 11.1.16-h2, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.2.13-h2, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.1.10, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 12.2.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

1.1LOWpalo_alto
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-79

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