PatchTheCVECVE-2022-50787: SOUND4 IMPACT/FIRST/PULSE/Eco versions 2.x contains an unauthenticated stored cross-site scripting vulnerabili
CVE-2022-50787 is a high-severity flaw (CVSS 7.2) affecting first firmware, impact eco firmware, pulse eco firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.2 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 62%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2025-12-30 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2022-50787?
first firmware: mitigate or apply the listed mitigation; impact eco firmware: mitigate or apply the listed mitigation; pulse eco firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2022-50787 being exploited?
CVE-2022-50787 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2022-50787 affect?
CVE-2022-50787 affects first firmware, impact eco firmware, pulse eco firmware. Severity is high (CVSS 7.2). 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 inp
How urgent is CVE-2022-50787?
Priority 45/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action
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