CVE-2025-66300 Grav is vulnerable to Arbitrary File Read

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, A low privilege user account with page editing privilege can read any server files using "Frontmatter" form. This includes Grav user account files /grav/user/accounts/.yaml, which store hashed user password, 2FA secret, and the password...

CVE-2025-66300 Grav is vulnerable to Arbitrary File Read

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, A low privilege user account with page editing privilege can read any server files using "Frontmatter" form. This includes Grav user account files /grav/user/accounts/.yaml, which store hashed user password, 2FA secret, and the password...

CVE-2025-66300

Grav is a file-based CMS affected by CVE-2025-66300. A low-privilege user with page-editing rights could exploit path traversal via the Frontmatter form to read server files, including Grav user accounts located at /grav/user/accounts/*.yaml, exposing password hashes, 2FA secrets, and password-re...

CVE-2025-66297

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a user with admin panel access and permissions to create or edit pages in Grav CMS can enable Twig processing in the page frontmatter. By injecting malicious Twig expressions, the user can escalate their privileges to admin or execute...

CVE-2025-66297 Grav vulnerable to Privilege Escalation and Authenticated Remote Code Execution via Twig Injection

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a user with admin panel access and permissions to create or edit pages in Grav CMS can enable Twig processing in the page frontmatter. By injecting malicious Twig expressions, the user can escalate their privileges to admin or execute...

CVE-2025-66297 Grav vulnerable to Privilege Escalation and Authenticated Remote Code Execution via Twig Injection

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a user with admin panel access and permissions to create or edit pages in Grav CMS can enable Twig processing in the page frontmatter. By injecting malicious Twig expressions, the user can escalate their privileges to admin or execute...

CVE-2025-66297

CVE-2025-66297 concerns Grav CMS prior to 1.8.0-beta.27. A user with admin-panel access and permissions to create/edit pages can enable Twig in page frontmatter, inject malicious Twig expressions, and escalate to admin or trigger arbitrary system commands via the scheduler API. Reported impacts i...

CVE-2025-66297 Grav vulnerable to Privilege Escalation and Authenticated Remote Code Execution via Twig Injection

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a user with admin panel access and permissions to create or edit pages in Grav CMS can enable Twig processing in the page frontmatter. By injecting malicious Twig expressions, the user can escalate their privileges to admin or execute...

PT-2025-48570

Name of the Vulnerable Software and Affected Versions Grav versions prior to 1.11.0-beta.1 Description The Grav admin plugin, an HTML user interface for configuring Grav and managing pages, contains a Stored Cross-Site Scripting XSS issue. The vulnerability exists in the /admin/pages/page endpoin...

PT-2025-48556

Name of the Vulnerable Software and Affected Versions Grav versions prior to 1.8.0-beta.27 Description A user with admin panel access and permissions to create or edit pages in Grav CMS can enable Twig processing in the page frontmatter. By injecting malicious Twig expressions, a user can escalat...

CVE-2025-66301: Improper Authorization

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...

PT-2025-48560

Name of the Vulnerable Software and Affected Versions Grav versions prior to 1.8.0-beta.27 Description Grav is a file-based Web platform. Improper authorization checks when modifying critical fields on a POST request to the /admin/pages/page name endpoint allow an editor with limited permissions ...

CVE-2025-66300: Improper Limitation of a Pathname to a Restricted Directory

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, A low privilege user account with page editing privilege can read any server files using "Frontmatter" form. This includes Grav user account files /grav/user/accounts/.yaml, which store hashed user password, 2FA secret, and the password...

CVE-2025-66311: Improper Neutralization of Input During Web Page Generation

This admin plugin for Grav is an HTML user interface that provides a convenient way to configure Grav and easily create and modify pages. Prior to 1.11.0-beta.1, a Stored Cross-Site Scripting XSS vulnerability was identified in the /admin/pages/page endpoint of the Grav application. This...

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-2025-66297: Improper Neutralization of Special Elements Used in a Template Engine

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a user with admin panel access and permissions to create or edit pages in Grav CMS can enable Twig processing in the page frontmatter. By injecting malicious Twig expressions, the user can escalate their privileges to admin or execute...

Input validation

Grav is a content management system CMS. Prior to version 1.7.43, users who may write a page may use the frontmatter feature due to insufficient permission validation and inadequate file name validation. This may lead to remote code execution. Version 1.7.43 fixes this issue...

CVE-2024-27923 Remote Code Execution by uploading a phar file using frontmatter

Grav is a content management system CMS. Prior to version 1.7.43, users who may write a page may use the frontmatter feature due to insufficient permission validation and inadequate file name validation. This may lead to remote code execution. Version 1.7.43 fixes this issue...

CVE-2024-27923 Remote Code Execution by uploading a phar file using frontmatter

Grav is a content management system CMS. Prior to version 1.7.43, users who may write a page may use the frontmatter feature due to insufficient permission validation and inadequate file name validation. This may lead to remote code execution. Version 1.7.43 fixes this issue...

CVE-2024-27923

Grav is a content management system CMS. Prior to version 1.7.43, users who may write a page may use the "frontmatter" feature due to insufficient permission validation and inadequate file name validation. This may lead to remote code execution. Version 1.7.43 fixes this issue...