CVE-2021-43462: Rumble Mail Server Project Rumble Mail Server

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

A Cross Site Scripting (XSS) vulnerability exists in Rumble Mail Server 0.51.3135 via the username parameter.

Affected products

• Rumble Mail Server Project Rumble Mail Server: version 0.51.3135 only

Published 2022-04-04. Last modified 2026-06-17.