CVE-2025-66303 Grav is vulnerable to a DOS on the admin panel

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, A Denial of Service DoS vulnerability has been identified in Grav related to the handling of scheduledat parameters. Specifically, the application fails to properly sanitize input for cron expressions. By manipulating the scheduledat...

CVE-2025-66303

Grav vulnerability CVE-2025-66303: In Grav prior to 1.8.0-beta.27, the admin panel can enter malformed cron-like input in the scheduled_at parameter, e.g., a single quote, causing DoS by corrupting backup.yaml. The issue stems from insufficient sanitization of cron expressions. Recovery requires ...

CVE-2025-66303 Grav is vulnerable to a DOS on the admin panel

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, A Denial of Service DoS vulnerability has been identified in Grav related to the handling of scheduledat parameters. Specifically, the application fails to properly sanitize input for cron expressions. By manipulating the scheduledat...

CVE-2025-66303 Grav is vulnerable to a DOS on the admin panel

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, A Denial of Service DoS vulnerability has been identified in Grav related to the handling of scheduledat parameters. Specifically, the application fails to properly sanitize input for cron expressions. By manipulating the scheduledat...

CVE-2025-66302

Grav CMS path traversal vulnerability (CVE-2025-66302) exists prior to 1.8.0-beta.27 in the backup tool’s input sanitization, enabling authenticated administrators to read arbitrary files on the server filesystem outside the webroot. Impact depends on the privileges of the Grav process account; f...

CVE-2025-66302 Grav vulnerable to Path Traversal allowing server files backup

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, A path traversal vulnerability has been identified in Grav CMS, allowing authenticated attackers with administrative privileges to read arbitrary files on the underlying server filesystem. This vulnerability arises due to insufficient inp...

CVE-2025-66302 Grav vulnerable to Path Traversal allowing server files backup

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, A path traversal vulnerability has been identified in Grav CMS, allowing authenticated attackers with administrative privileges to read arbitrary files on the underlying server filesystem. This vulnerability arises due to insufficient inp...

CVE-2025-66302 Grav vulnerable to Path Traversal allowing server files backup

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, A path traversal vulnerability has been identified in Grav CMS, allowing authenticated attackers with administrative privileges to read arbitrary files on the underlying server filesystem. This vulnerability arises due to insufficient inp...

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-2025-66301 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-2025-66300 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 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-2025-66295

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, when a user with privilege of user creation creates a new user through the Admin UI and supplies a username containing path traversal sequences for example ..\Nijat or ../Nijat, Grav writes the account YAML file to an unintended path...

CVE-2025-66296

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a privilege escalation vulnerability exists in Grav’s Admin plugin due to the absence of username uniqueness validation when creating users. A user with the create user permission can create a new account using the same username as an...

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-2025-66294

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a Server-Side Template Injection SSTI vulnerability exists in Grav that allows authenticated attackers with editor permissions to execute arbitrary commands on the server and, under certain conditions, may also be exploited by...