CVE-2026-42609

Grav CVE-2026-42609 describes a business-logic flaw in the Grav Admin Panel where a low-privileged user with admin user-creation permissions can overwrite a higher-privilege account by creating a new user with an existing username. The system incorrectly updates the existing account’s metadata an...

Grav: Stored XSS via page title (data[header][title]) in admin panel

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 dataheadertitle parameter. --- Details Vulnerable Endpoint: GET /admin/pages/page Parameter:...

PT-2026-39296

Name of the Vulnerable Software and Affected Versions grav-plugin-admin versions prior to 1.10.49.5 Description The application fails to properly validate and sanitize user input in the dataheadertitle parameter. This allows attackers to craft a malicious URL containing a Cross-Site Scripting XSS...

Grav Vulnerable to Administrative Account Disruption and Privilege De-escalation via User Overwrite Logic

Summary A business logic vulnerability in the Grav Admin Panel allows a low-privileged user with only user creation permissions to overwrite existing accounts, including the primary administrator. By creating a new user with a username that already exists, the system updates the existing account'...

GHSA-RR73-568V-28F8 Grav Vulnerable to Administrative Account Disruption and Privilege De-escalation via User Overwrite Logic

Summary A business logic vulnerability in the Grav Admin Panel allows a low-privileged user with only user creation permissions to overwrite existing accounts, including the primary administrator. By creating a new user with a username that already exists, the system updates the existing account'...

PT-2026-37275

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.0-beta.2 Description A business logic issue in the Grav Admin Panel allows a low-privileged user with user creation permissions to overwrite existing accounts, including the primary administrator. By creating a new...

Cross-Site Scripting (XSS)

getgrav/grav is vulnerable to Reflected Cross-Site Scripting XSS. The vulnerability is due to improper input validation in the /admin/pages/page endpoint, which allows an attacker to inject malicious scripts via the dataheadercontentitems parameter...

CVE-2025-66312

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/accounts/groups/Grupo endpoint of the Grav application. Th...

CVE-2025-66309

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 Reflected Cross-Site Scripting XSS vulnerability was identified in the /admin/pages/page endpoint of the Grav application. This...

EUVD-2025-200100

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

Grav Admin Plugin vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/config/site` parameter `data[taxonomies]`

Summary A Stored Cross-Site Scripting XSS vulnerability was identified in the /admin/config/site endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the datataxonomies parameter. The injected payload is stored on the server and automatically...

EUVD-2025-200102

Grav Admin Plugin vulnerable to Cross-Site Scripting XSS Stored endpoint /admin/config/site parameter datataxonomies...

Grav Admin Plugin is vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/accounts/groups/[group]` parameter `data[readableName]`

Summary A Stored Cross-Site Scripting XSS vulnerability was identified in the /admin/accounts/groups/Grupo endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the datareadableName parameter. The injected scripts are stored on the server and...

GHSA-RMW5-F87R-W988 Grav Admin Plugin is vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/accounts/groups/[group]` parameter `data[readableName]`

Summary A Stored Cross-Site Scripting XSS vulnerability was identified in the /admin/accounts/groups/Grupo endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the datareadableName parameter. The injected scripts are stored on the server and...

EUVD-2025-200099

Grav vulnerable to Cross-Site Scripting XSS Stored endpoint /admin/pages/page in Multiples parameters...

GHSA-CJCP-QXVG-4RJM Grav vulnerable to Privilege Escalation in Grav Admin: Missing Username Uniqueness Check Allows Admin Account Takeover

Summary 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 existing administrator account, set a new...

Information Exposure

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Information Exposure in the user account management section of the admin panel. An attacker can obtain password hashes of all users, including...

CVE-2025-66312

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/accounts/groups/Grupo endpoint of the Grav application. Th...

CVE-2025-66310

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...

CVE-2025-66311

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...