LOW Palo Alto Networks, Inc. Vulnerability Alert

Product:

GlobalProtect

Summary

A reflected cross-site scripting (XSS) vulnerability in the GlobalProtect gateway and portal features of Palo Alto Networks PAN-OS software enables execution of malicious JavaScript in the context of an authenticated Captive Portal user’s browser when they click on a specially crafted link. The primary risk is phishing attacks that can lead to credential theft, particularly if Clientless VPN is enabled. There is no availability impact to GlobalProtect features or users.

Details

Severity Base Score CVE
LOW 2.7 CVE-2025-0133

Exploitation

To exploit this vulnerability, an attacker must craft a malicious link that, when clicked by an authenticated user of the GlobalProtect Captive Portal, executes JavaScript in their browser. This can lead to phishing attacks aimed at stealing user credentials. The attack requires no special privileges or user interaction beyond clicking the link.

Affected Products

  • GlobalProtect Gateway: Vulnerable to XSS attacks that can lead to credential theft.
  • GlobalProtect Portal: Affected by the same XSS vulnerability, allowing execution of malicious scripts.

Mitigation

To mitigate this vulnerability, users should avoid clicking on untrusted links while authenticated to the GlobalProtect Captive Portal. Additionally, disabling Clientless VPN can reduce the risk of credential theft associated with this vulnerability.

References