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-2025-66298

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, having a simple form on site can reveal the whole Grav configuration details including plugin configuration details by using the correct POST payload to exploit a Server-Side Template SST vulnerability. Sensitive information may be...

CVE-2025-66299

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, Grav CMS is vulnerable to a Server-Side Template Injection SSTI that allows any authenticated user with editor permissions to execute arbitrary code on the remote server, bypassing the existing security sandbox. Since the security sandbox...

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...

CVE-2025-66300

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...

EUVD-2025-200265

Grav CMS 1.7.49 is vulnerable to Cross Site Scripting XSS. The page editor allows authenticated users to edit page content via a Markdown editor. The editor fails to properly sanitize tags, allowing stored XSS payloads to execute when pages are viewed in the admin interface...

GHSA-CCHQ-397M-Q2QM Grav CMS is vulnerable to Cross Site Scripting (XSS) in the page editor

Grav CMS 1.7.49 is vulnerable to Cross Site Scripting XSS. The page editor allows authenticated users to edit page content via a Markdown editor. The editor fails to properly sanitize tags, allowing stored XSS payloads to execute when pages are viewed in the admin interface...

Cross-site Scripting (XSS)

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the admin/edit endpoint. An attacker can execute arbitrary scripts in the context of the admin interface by...

Grav CMS is vulnerable to Cross Site Scripting (XSS) in the page editor

Grav CMS 1.7.49 is vulnerable to Cross Site Scripting XSS. The page editor allows authenticated users to edit page content via a Markdown editor. The editor fails to properly sanitize tags, allowing stored XSS payloads to execute when pages are viewed in the admin interface...

CVE-2025-65186

Grav CMS 1.7.49 is vulnerable to Cross Site Scripting XSS. The page editor allows authenticated users to edit page content via a Markdown editor. The editor fails to properly sanitize tags, allowing stored XSS payloads to execute when pages are viewed in the admin interface...

GHSA-8535-HVM8-2HMV Grav is vulnerable to Server-Side Template Injection (SSTI) via Forms

Summary Having a simple form on site can reveal the whole Grav configuration details including plugin configuration details by using the correct POST payload. Sensitive information may be contained in the configuration details. PoC Create a simple form with two fields, 'registration-number' and...

EUVD-2025-200076

Grav is vulnerable to Server-Side Template Injection SSTI via Forms...

Grav is vulnerable to Server-Side Template Injection (SSTI) via Forms

Summary Having a simple form on site can reveal the whole Grav configuration details including plugin configuration details by using the correct POST payload. Sensitive information may be contained in the configuration details. PoC Create a simple form with two fields, 'registration-number' and...

EUVD-2025-200081

Grav is vulnerable to RCE via SSTI through Twig Sandbox Bypass...

Grav is vulnerable to RCE via SSTI through Twig Sandbox Bypass

Summary 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 unauthenticated attackers. This vulnerability stems from weak...

GHSA-662M-56V4-3R8F Grav is vulnerable to RCE via SSTI through Twig Sandbox Bypass

Summary 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 unauthenticated attackers. This vulnerability stems from weak...

GHSA-7G78-5G5G-MVFJ Grav vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/pages/[page]` parameter `data[header][template]` in Advanced Tab

Summary A Stored Cross-Site Scripting XSS vulnerability was identified in the /admin/pages/page endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the dataheadertemplate parameter. The script is saved within the page's frontmatter and executed...

EUVD-2025-200100

Grav vulnerable to Cross-Site Scripting XSS Stored endpoint /admin/pages/page parameter dataheadertemplate in Advanced Tab...

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

Summary A Stored Cross-Site Scripting XSS vulnerability was identified in the /admin/pages/page endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the dataheadertemplate parameter. The script is saved within the page's frontmatter and executed...