Palo Alto Networks Security Advisories / CVE-2018-10141

CVE-2018-10141 Cross-Site Scripting (XSS) in GlobalProtect Portal Login Page

Severity 6.1 · MEDIUM
Attack Vector NETWORK
Attack Complexity LOW
Confidentiality Impact LOW
Privileges Required NONE
Integrity Impact LOW
User Interaction REQUIRED
Availability Impact NONE


A Cross-Site Scripting (XSS) vulnerability exists in the PAN-OS GlobalProtect Portal Login page. (Ref. # PAN-99830; CVE-2018-10141)

Successful exploitation of this issue may allow an unauthenticated attacker to inject arbitrary JavaScript or HTML.

This issue affects PAN-OS 8.1.3 and earlier. PAN-OS 8.0, PAN-OS 7.1 and PAN-OS 6.1 are NOT affected.

Product Status

PAN-OS 8.1<= 8.1.3>= 8.1.4

Severity: MEDIUM

CVSSv3.1 Base Score: 6.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Weakness Type

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')


PAN-OS 8.1.4 and later

Workarounds and Mitigations

Customers not using GlobalProtect feature of PAN-OS are not impacted by this vulnerability.


Palo Alto Networks would like to thank Vladimir Egorov, Team of, okradze, and Mina Mohsen Edwar with Verizon for reporting this issue.
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