Grav CMS Twig SSTI Authenticated Sandbox Bypass RCE

This module exploits a Server-Side Template Injection SSTI vulnerability CVE-2025-66294 in Grav CMS that allows bypassing the Twig sandbox to achieve remote code execution. The cleanDangerousTwig method uses weak regex that fails to sanitize nested Twig calls within the evaluatetwig function. To...

CVE-2025-66301

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, due to improper authorization checks when modifying critical fields on a POST request to /admin/pages/pagename, an editor with only permissions to change basic content on the form is now able to change the functioning of the form through...

EUVD-2025-200109

Grav has Broken Access Control which allows an Editor to modify the page's YAML Frontmatter to alter form processing actions...

GHSA-V8X2-FJV7-8HJH Grav has Broken Access Control which allows an Editor to modify the page's YAML Frontmatter to alter form processing actions

Summary Due to a broken access control vulnerability in the /admin/pages/pagename endpoint, an editor user with full permissions to pages can change the functionality of a form after submission. Details Due to improper authorization checks when modifying critical fields on a POST request to...

CVE-2025-66301

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, due to improper authorization checks when modifying critical fields on a POST request to /admin/pages/pagename, an editor with only permissions to change basic content on the form is now able to change the functioning of the form through...

CVE-2025-66301 Grav ihas Broken Access Control which allows an Editor to modify the page's YAML Frontmatter to alter form processing actions

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, due to improper authorization checks when modifying critical fields on a POST request to /admin/pages/pagename, an editor with only permissions to change basic content on the form is now able to change the functioning of the form through...

CVE-2025-66301 Grav ihas Broken Access Control which allows an Editor to modify the page's YAML Frontmatter to alter form processing actions

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, due to improper authorization checks when modifying critical fields on a POST request to /admin/pages/pagename, an editor with only permissions to change basic content on the form is now able to change the functioning of the form through...

CVE-2025-66301 Grav ihas Broken Access Control which allows an Editor to modify the page's YAML Frontmatter to alter form processing actions

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, due to improper authorization checks when modifying critical fields on a POST request to /admin/pages/pagename, an editor with only permissions to change basic content on the form is now able to change the functioning of the form through...