Low severity · published Sep 10, 2026
CVE-2026-0308
PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface
1.1
CVSS
0.5%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PA
PAN-OS · Palo Alto Networks
12.1.0 before 12.1.10; 11.2.0 before 11.2.13-h2; 11.1.0 before 11.1.16-h2 · source: vendor
PA
Prisma Access · Palo Alto Networks
All versions, or not specified · source: vendor
RA
RUGGEDCOM APE1808 · Siemens
0 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-0308
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-0308
security.paloaltonetworks.com
https://security.paloaltonetworks.com/CVE-2026-0308
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-104023.html
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