The internet runs on PHP. AI just found a big problem. Should you be worried?

Source: PCWorld Security · OCT 22, 2026

If you’re of a certain age, “PHP” may invoke memories of early web development in the 1990s. In the decades since, the scripting language has hummed along in the background, used by popular platforms like WordPress. But just this week, it suddenly got an enormous spotlight as the internet lit up with alarm over two high-risk vulnerabilities. If you’re not a server administrator, you may be wondering what the danger really is. In fact, if the admins for the websites you use or run were quick enough, you may have not noticed a thing. So what is PHP? And does it affect you? Here’s what you need to know. Update, October 22, 2026: Well, that escalated quickly. The critical PHP flaws aren’t just a theoretical nightmare anymore. According to The Register’s ongoing coverage , Cloudflare has spotted millions of attempts to exploit the vulnerabilities, dubbed PHP2Shell. Worse, Amazon’s security researchers detected signs of attackers probing the flaws as early as October 17—four days before emer