High · published November 25, 2025
🚨 A crafty administrator can inject PHP code into templates with just a few clicks! With REDAXO CMS 5.20.0, this Remote Code Execution (RCE) vulnerability lets the bad guys run commands straight from the template — talk about a recipe for disaster! 🔥 Imagine a restaurant where the chef can sneak in any ingredient they want without the owner checking the menu. That’s how this vulnerability works: a malicious admin can add dangerous code to a template that executes when customers access the site, bypassing all safety checks. An attacker with admin access could wreak absolute havoc — executing any command on the server, stealing sensitive data, or even defacing the website! The consequences could be devastating, potentially leading to a full system compromise if left unaddressed.
Imagine a restaurant where the chef can sneak in any ingredient they want without the owner checking the menu. That’s how this vulnerability works: a malicious admin can add dangerous code to a template that executes when customers access the site, bypassing all safety checks. This RCE vulnerability in REDAXO CMS allows authenticated administrators to inject PHP code into the template management component. When users visit the affected frontend pages, the injected payload is executed, granting the attacker control over the server.
An attacker with admin access could wreak absolute havoc — executing any command on the server, stealing sensitive data, or even defacing the website! The consequences could be devastating, potentially leading to a full system compromise if left unaddressed. To mitigate this risk, update REDAXO CMS to the latest version immediately. Review your user permissions to limit admin access and audit existing templates for any suspicious code. Regularly monitor logs for unusual activity as an extra precaution! You’ve got this! Stay proactive, patch up, and you’ll secure your site in no time! 🛡️