High Β· published December 2, 2025
β‘ A crafty template injection lurks in Grav CMS! Prior to version 1.8.0-beta.27, authenticated editors could execute arbitrary code on the server like a magician pulling rabbits from a hat! π©π Think of it as a restaurant where an editor can sneak a hidden recipe into the menu, allowing them to add anything they want to the kitchen's offerings without anyone noticing. The Twig sandbox is like a chef's way of checking what gets in, but itβs been bypassed! This vulnerability is a high-stakes game: an authenticated editor can manipulate the server by executing any code, potentially compromising the entire system. Imagine a rogue chef not only serving strange dishes but also reprogramming the restaurant's entire menu! The consequences could range from data theft to complete system takeover.
Think of it as a restaurant where an editor can sneak a hidden recipe into the menu, allowing them to add anything they want to the kitchen's offerings without anyone noticing. The Twig sandbox is like a chef's way of checking what gets in, but itβs been bypassed! Grav CMS is vulnerable to Server-Side Template Injection (SSTI) due to insufficient protection of the Twig object inside its security sandbox. This flaw allows authenticated users with editor permissions to inject malicious Twig template directives, enabling arbitrary code execution.
This vulnerability is a high-stakes game: an authenticated editor can manipulate the server by executing any code, potentially compromising the entire system. Imagine a rogue chef not only serving strange dishes but also reprogramming the restaurant's entire menu! The consequences could range from data theft to complete system takeover. To protect your site, upgrade to Grav CMS version 1.8.0-beta.27 immediately. Review user permissions to ensure that only trusted individuals have editor access. Regularly audit Twig templates to catch potentially harmful directives before they can be executed. You've got this! Update today, secure your system, and wear that security hero badge with pride! π‘οΈ
| Product | Versions | Fixed in |
|---|---|---|
| getgrav/grav | < 1.8.0 | 1.8.0 |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |
| getgrav/grav | all versions | β |