CVE-2024-3473: 99robots Header Footer Code Manager Pro

Medium severity, CVSS 6.1. EPSS: 0.5% chance of exploitation in the next 30 days.

The Header Footer Code Manager Pro plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the message parameter in all versions up to, and including, 1.0.16 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Affected products

• 99robots Header Footer Code Manager Pro: up to and including 1.0.16

Published 2024-05-02. Last modified 2026-06-17.