How severe is CVE-2022-50787?

CVE-2022-50787 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-50787 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-50787?

CVE-2022-50787 primarily affects Sound4 Stream Extension. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-50787?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2022-50787 have an EU (EUVD) identifier?

Yes. CVE-2022-50787 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-55939.

When was CVE-2022-50787 published?

CVE-2022-50787 was published on 2025-12-30 and last updated on 2026-06-17.

CVE-2022-50787

CVE-2022-50787 is a high-severity vulnerability in Sound4 Stream Extension with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v4: 5.3
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2022-55939
Weakness: CWE-79
Affected product: Sound4 Stream Extension
Published: 2025-12-30
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-50787?: 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.
How severe is CVE-2022-50787?: CVE-2022-50787 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-50787 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-50787?: CVE-2022-50787 primarily affects Sound4 Stream Extension. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-50787?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2022-50787 have an EU (EUVD) identifier?: Yes. CVE-2022-50787 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-55939.
When was CVE-2022-50787 published?: CVE-2022-50787 was published on 2025-12-30 and last updated on 2026-06-17.

References

Affected products (12)

cpe:2.3:o:sound4:first_firmware:2.15:*:*:*:*:*:*:*
cpe:2.3:o:sound4:first_firmware:1.69:*:*:*:*:*:*:*
cpe:2.3:o:sound4:impact_eco_firmware:1.16:*:*:*:*:*:*:*
cpe:2.3:o:sound4:pulse_eco_firmware:1.16:*:*:*:*:*:*:*
cpe:2.3:o:sound4:big_voice4_firmware:1.2:*:*:*:*:*:*:*
cpe:2.3:o:sound4:big_voice2_firmware:1.30:*:*:*:*:*:*:*
cpe:2.3:o:sound4:wm2_firmware:1.11:*:*:*:*:*:*:*
cpe:2.3:a:sound4:stream_extension:2.4.29:*:*:*:*:*:*:*
cpe:2.3:o:sound4:pulse_firmware:1.69:*:*:*:*:*:*:*
cpe:2.3:o:sound4:pulse_firmware:2.15:*:*:*:*:*:*:*
cpe:2.3:o:sound4:impact_firmware:1.69:*:*:*:*:*:*:*
cpe:2.3:o:sound4:impact_firmware:2.15:*:*:*:*:*:*:*

More vulnerabilities in Sound4 Stream Extension

CVE-2022-50796 — Critical (CVSS 9.8): SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an unauthenticated remote code execution vulnerability in the firmware…
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