CVE-2026-0308 is a vulnerability in Palo Alto Networks PAN-OS
Published on September 10, 2026
PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface
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.
Vulnerability Analysis
CVE-2026-0308 is exploitable with network access. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Timeline
Initial Publication
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2026-0308 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2026-0308
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Affected Versions
Palo Alto Networks Cloud NGFW:- Version All is unaffected.
- Version 12.2.0 and below 12.2.3 is unaffected.
- Version 12.1.0 and below 12.1.10 is affected.
- Version 11.2.0 and below 11.2.13-h2 is affected.
- Version 11.1.0 and below 11.1.16-h2 is affected.
- Version All and below 12.1.4-h10 is unaffected.