CVE-2022-50787

HIGH 7.2CVE-2022-50787 · Published 30/12/2025 · updated 17/06/2026

In short

CVE-2022-50787 is a HIGH (CVSS 7.2) vulnerability affecting stream extension (sound4).
Chance of exploitation in the next 30 days (EPSS): 0.44%, higher than 38.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
stream extension sound4	`= 2.4.29`	No fix yet

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.

References

exchange.xforce.ibmcloud.com/vulnerabilities/247920 · Third Party Advisory
packetstormsecurity.com/files/170258/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-Persistent-Cross-Site-Scripting.html · Exploit
sound4.com · Product
vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauthenticated-stored-cross-site-scripting · Third Party Advisory
zeroscience.mk/en/vulnerabilities/ZSL-2022-5731.php · Exploit

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Package

Affected versions

Patched versions

stream extension

sound4

= 2.4.29

No fix yet

Description

More vulnerabilities in stream extension

See all →