CVE-2022-50787

PoC ×2—

CVSS 4.0

5.3 medium

EPSS

<1%p38

Published

Dec 30, 2025 (Dec 30, 2025)

Modified

Jun 17, 2026

Description

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.

Vendors: sound4
Products: first firmware, impact eco firmware, pulse eco firmware, big voice4 firmware, big voice2 firmware, wm2 firmware, stream extension, pulse firmware, impact firmware
Weakness: CWE-79
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD CVE.org GitHub PoCs EPSS (0.4%)

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