CVE-2024-0011: Palo Alto Networks PAN-OS

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

A reflected cross-site scripting (XSS) vulnerability in the Captive Portal feature of Palo Alto Networks PAN-OS software enables execution of malicious JavaScript (in the context of an authenticated Captive Portal user’s browser) if a user clicks on a malicious link, allowing phishing attacks that could lead to credential theft.

Affected products

• Palo Alto Networks PAN-OS: from 8.1.0, before 8.1.24 (fixed in 8.1.24); from 9.0.0, before 9.0.17 (fixed in 9.0.17); from 9.1.0, before 9.1.13 (fixed in 9.1.13); from 10.0.0, before 10.0.11 (fixed in 10.0.11); from 10.1.0, before 10.1.3 (fixed in 10.1.3)

Published 2024-02-14. Last modified 2026-06-17.