Grav elevation of privilege vulnerability (CNVD-2025-30354)

Grav is an extensible CMS Content Management System for personal blogs, small content publishing platforms and one-page product presentations. Grav suffers from an elevation of privilege vulnerability, which can be exploited to cause an elevation of privilege due to a lack of user name uniqueness...

Grav Cross-Site Scripting Vulnerability (CNVD-2025-30345)

Grav is an extensible CMS Content Management System for personal blogs, small content publishing platforms and one-page product presentations. Grav suffers from a cross-site scripting vulnerability that can be exploited by an attacker to execute arbitrary web script or HTML by injecting a crafted...

Grav Path Traversal Vulnerability (CNVD-2025-30350)

Grav is an extensible CMS Content Management System for personal blogs, small content publishing platforms and one-page product presentations. Grav suffers from a path traversal vulnerability that can be exploited by a low-privileged user to read server files, which can be exploited by an attacke...

CVE-2025-66305

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a Denial of Service DoS vulnerability was identified in the "Languages" submenu of the Grav admin configuration panel /admin/config/system. Specifically, the Supported parameter fails to properly validate user input. If a malformed value ...

CVE-2025-66302

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-2025-66299

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-2025-66300

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...

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...

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...

Grav vulnerable to Privilege Escalation and Authenticated Remote Code Execution via Twig Injection

Summary 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 arbitrary system commands via the scheduler API. This...

GHSA-858Q-77WX-HHX6 Grav vulnerable to Privilege Escalation and Authenticated Remote Code Execution via Twig Injection

Summary 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 arbitrary system commands via the scheduler API. This...

Grav vulnerable to Information Disclosure via IDOR in Grav Admin Panel

Summary An IDOR Insecure Direct Object Reference vulnerability in the Grav CMS Admin Panel allows low-privilege users to access sensitive information from other accounts. Although direct account takeover is not possible, admin email addresses and other metadata can be exposed, increasing the risk...

EUVD-2025-200104

Grav vulnerable to Information Disclosure via IDOR in Grav Admin Panel...

Grav vulnerable to Path Traversal allowing server files backup

Summary A path traversal vulnerability has been identified in Grav CMS, versions 1.7.49.5 , allowing authenticated attackers with administrative privileges to read arbitrary files on the underlying server filesystem. This vulnerability arises due to insufficient input sanitization in the backup...

GHSA-J422-QMXP-HV94 Grav vulnerable to Path Traversal allowing server files backup

Summary A path traversal vulnerability has been identified in Grav CMS, versions 1.7.49.5 , allowing authenticated attackers with administrative privileges to read arbitrary files on the underlying server filesystem. This vulnerability arises due to insufficient input sanitization in the backup...