CVE-2026-0266lowCWE-79

CVE-2026-0266: low-severity vulnerability in Palo Alto Networks PAN-OS

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

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8Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 1.1epss 0.1%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber
Affected products
Palo Alto Networks · Cloud NGFWPalo Alto Networks · PAN-OSPalo Alto Networks · Prisma Access
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