
Breaking: PHP2Shell PHP Security Vulnerability Puts Millions of Websites at Risk
Last updated: 22 October 2026. This is a developing story, and we will update this page as new information comes out. PHP2Shell is a critical PHP security vulnerability in the programming language that runs most of the web, including every WordPress site. The fix came out on 21 October 2026, and security companies are already reporting attacks. If your website runs on PHP, you need to act this week. This guide explains this PHP security vulnerability in plain English: what











