CVE-2022-50787: Sound4 First Firmware cross-site scripting (XSS) (CVSS 7.2)

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.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeChanged

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Affected products

Sound4 Stream Extension2.4.29

Sound4 Big Voice2 Firmware1.30

Sound4 Big Voice4 Firmware1.2

Sound4 First Firmware1.69 · 2.15

Sound4 Impact Eco Firmware1.16

Sound4 Impact Firmware1.69 · 2.15

Sound4 Pulse Eco Firmware1.16

Sound4 Pulse Firmware1.69 · 2.15

Sound4 Wm2 Firmware1.11

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

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.htmlExploitThird Party AdvisoryVDB 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.phpExploitThird Party Advisory

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2022-50787 being actively exploited?

CVE-2022-50787 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.44%.

How severe is CVE-2022-50787?

CVE-2022-50787 has a CVSS 3.1 base score of 7.2, rated high. EPSS estimates a 0.44% probability of exploitation.

Which products are affected by CVE-2022-50787?

Affected products include Sound4 Stream Extension, Sound4 Big Voice2 Firmware, Sound4 Big Voice4 Firmware, Sound4 First Firmware, Sound4 Impact Eco Firmware, and 4 more.

How do I fix CVE-2022-50787?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2022-50787 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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