18 Years of Unresolved Threat: 0.0.0.0 Day Vulnerability in Major Browsers

The “0.0.0.0 Day” vulnerability is a critical security flaw that affects major web browsers like Chromium, Firefox, and Safari, allowing malicious websites to exploit localhost APIs through the 0.0.0.0 IP. This vulnerability, which has been exploited since 2006, bypasses traditional browser security mechanisms, enabling attackers to gain unauthorized access to internal applications on macOS and Linux.