A massive security flaw in the PHP programming language, affecting approximately 70% of the internet, has prompted an urgent response as websites worldwide are taken offline for emergency patches. Experts warn that the vulnerabilities, recently uncovered by AI, could allow unauthenticated remote code execution, putting millions of sites at risk. Governments across various nations, including Canada and several European countries, have shut down their websites in an effort to protect their systems. Cloudflare has begun implementing protections against the PHP2Shell vulnerability, while PHP developers urge site operators to update their systems immediately. The critical vulnerabilities have led to a chaotic day for cybersecurity, with many organizations scrambling to address the flaws before they are exploited.