CVE-2020-21998: Homeautomation Project Homeautomation

Medium severity, CVSS 6.1. EPSS: 1.3% chance of exploitation in the next 30 days.

In HomeAutomation 3.3.2 input passed via the 'redirect' GET parameter in 'api.php' script is not properly verified before being used to redirect users. This can be exploited to redirect a user to an arbitrary website e.g. when a user clicks a specially crafted link to the affected script hosted on a trusted domain.

Affected products

• Homeautomation Project Homeautomation: version 3.3.2 only

Published 2021-04-27. Last modified 2026-06-17.