CVE-2022-50787: SOUND4 Big VOICE2 Firmware

High severity, CVSS 7.2. EPSS: 0.4% chance of exploitation in the next 30 days.

SOUND4 IMPACT/FIRST/PULSE/Eco versions 2.x contains an unauthenticated stored cross-site scripting vulnerability in the username parameter that allows attackers to inject malicious scripts. Attackers can exploit the unvalidated username input to execute arbitrary HTML and JavaScript code in victim browser sessions without authentication.

Affected products

• SOUND4 Big VOICE2 Firmware: version 1.30 only
• SOUND4 Big VOICE4 Firmware: version 1.2 only
• SOUND4 First Firmware: version 2.15 only; version 1.69 only
• SOUND4 Impact Eco Firmware: version 1.16 only
• SOUND4 Impact Firmware: version 1.69 only; version 2.15 only
• SOUND4 Pulse Eco Firmware: version 1.16 only
• SOUND4 Pulse Firmware: version 1.69 only; version 2.15 only
• SOUND4 Stream Extension: version 2.4.29 only
• SOUND4 WM2 Firmware: version 1.11 only

Published 2025-12-30. Last modified 2026-06-17.