CVE-2023-53960 SOUND4 IMPACT/FIRST/PULSE/Eco v2.x SQL Injection via Authentication Bypass

Critical 9.3 Published 22 Dec 2025 Updated 1 Oct 2026

Attackers can bypass authentication and access the system by injecting SQL code into the login password field.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-53960?

CVE-2023-53960 is a critical SQL injection vulnerability in Kantar Media BigVoice2, published on 22 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SOUND4 IMPACT/FIRST/PULSE/Eco version 2.x contains an SQL injection vulnerability in the 'index.php' authentication mechanism that allows attackers to manipulate login credentials. Attackers can inject malicious SQL code through the 'password' POST parameter to bypass authentication and potentially gain unauthorized access to the system.

Weakness: CWE-89

Which versions are affected by CVE-2023-53960?

It affects 9 products.

Products include Sound4 Big Voice2 Firmware, Sound4 Big Voice4 Firmware, Sound4 First Firmware, Sound4 Impact Eco Firmware, Sound4 Impact Firmware, Sound4 Pulse Eco Firmware and 3 more.

How do I fix CVE-2023-53960?

No fix has been published for CVE-2023-53960 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2023-53960 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53960 exists.

Sources

Also known as GHSA-8f9w-h853-42j2.