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One crafted request takes over PHP. Is your site patched?
Latest · Web22 Oct 2026 · 7 min

PHP2Shell: the 14-year-old PHP bug that put most of the web at risk

On 21 October 2026, PHP shipped an emergency fix for two critical flaws, nicknamed PHP2Shell, that let an attacker take over a web server with one crafted request. No password, no login, no plugin needed. If your website runs on PHP, which includes WordPress and WooCommerce, update to PHP 8.5.12, 8.4.27, 8.3.36 or 8.2.35 today.

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