CVE-2026-0266
PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
A cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS® software enables a malicious authenticated administrator to store 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.
| CWE | CWE-79 |
| Vendor | palo alto networks |
| Product | cloud ngfw |
| Published | Jun 10, 2026 |
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Affected Versions
Palo Alto Networks / Cloud NGFW
All versions affected Palo Alto Networks / PAN-OS
12.1.0 < 12.1.5 11.2.0 < 11.2.11 11.1.0 < 11.1.14 10.2.0
Palo Alto Networks / Prisma Access
All versions affected References
Credits
Palo Alto Networks thanks Rajnish Gupta (internal reporter), James Otten (internal reporter), and Jasper Westerman of REQON B.V. for discovering and reporting this issue.