CVE-2021-36603: Tasmota Project Tasmota

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

Cross Site Scripting (XSS) in Tasmota firmware 6.5.0 allows remote attackers to inject JavaScript code via a crafted string in the field "Friendly Name 1".

Affected products

• Tasmota Project Tasmota: version 6.5.0 only

Published 2023-01-09. Last modified 2026-06-17.