Critical · published December 18, 2024
CVSS calls it critical at 9.3. It is confirmed in active exploitation. It sits in the 99.9th percentile for exploit probability.
🚨 A remote code execution vulnerability lurks in Craft CMS when `register_argc_argv` is enabled in php.ini — think of it as an unlocked door inviting trouble! 🔥 This is like leaving a window wide open in a high-security building; if the right person walks by, they can just stroll right in without any obstacles. In this case, a mischievous visitor could run any code they want on your server! If exploited, an attacker could run arbitrary commands remotely, potentially gaining complete control over your website and sensitive data. This means they could modify content, steal user information, or even take your site offline — absolutely devastating!
This is like leaving a window wide open in a high-security building; if the right person walks by, they can just stroll right in without any obstacles. In this case, a mischievous visitor could run any code they want on your server! This vulnerability in Craft CMS allows remote code execution through a vector tied to PHP's `register_argc_argv`, which can execute arbitrary code if enabled in your configuration.
If exploited, an attacker could run arbitrary commands remotely, potentially gaining complete control over your website and sensitive data. This means they could modify content, steal user information, or even take your site offline — absolutely devastating! Immediately update Craft CMS to version 3.9.14, 4.13.2, or 5.5.2 to close this critical hole. If upgrading isn't possible right now, disable `register_argc_argv` in your php.ini as a temporary fix. Don't wait on this! You've got this! Follow these steps to secure your site, and you'll be a security hero in no time! 🛡️