CVE-2022-50787

Name: CVE-2022-50787
Creator: NVD / NIST
Published: 2025-12-30T23:15:45.223+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2022-50787 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CVSS 4.0

5.3/10

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

EPSS Probability

0.39%

31.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Sound4	First Firmware	2.15
Sound4	First Firmware	1.69
Sound4	Impact Eco Firmware	1.16
Sound4	Pulse Eco Firmware	1.16
Sound4	Big Voice4 Firmware	1.2
Sound4	Big Voice2 Firmware	1.30
Sound4	Wm2 Firmware	1.11
Sound4	Stream Extension	2.4.29
Sound4	Pulse Firmware	1.69
Sound4	Pulse Firmware	2.15
Sound4	Impact Firmware	1.69
Sound4	Impact Firmware	2.15

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/247920Third Party Advisory
https://packetstormsecurity.com/files/170258/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-Persistent-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://www.sound4.com/Product
https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauthenticated-stored-cross-site-scriptingThird Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5731.phpExploit, Third Party Advisory

Timeline

Published: Dec 30, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2022-50787?

How severe is CVE-2022-50787?

CVE-2022-50787 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2022-50787?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-50787?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST