CVE-2025-66310 Grav vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/pages/[page]` parameter `data[header][template]` in Advanced Tab

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...

Improper Authorization

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Improper Authorization via improper authorization checks in the process section of the YAML frontmatter during POST requests to...

Improper Neutralization of Special Elements Used in a Template Engine

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Improper Neutralization of Special Elements Used in a Template Engine via the Twig processing feature enabled through page frontmatter. An...

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...

CVE-2025-66301

Grav CMS contains a broken access control vulnerability (CVE-2025-66301) where an editor with only basic content permissions can modify the YAML frontmatter data[_json][header][form] in POST to /admin/pages/{page_name}, altering the form processing logic. Root cause: improper authorization checks...

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-2025-66300 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-2025-66297

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

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...

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...

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 ...

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...