CVE-2026-42609

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, 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 alread...

EUVD-2026-29135

Grav: Twig sandbox allows editor-role users to exfiltrate all plugin secrets via Config::toArray...

CVE-2026-42844

Grav is a file-based Web platform. In Grav 2.0.0-beta.2, a low-privileged authenticated API user with api.media.write can abuse /api/v1/blueprint-upload to write an arbitrary YAML file into user/accounts/, then log in as the newly created account with api.super privileges. This results in full...

CVE-2026-42844 Grav: Low-privileged API users can create super-admin accounts via blueprint-upload

Grav is a file-based Web platform. In Grav 2.0.0-beta.2, a low-privileged authenticated API user with api.media.write can abuse /api/v1/blueprint-upload to write an arbitrary YAML file into user/accounts/, then log in as the newly created account with api.super privileges. This results in full...

CVE-2026-44738

Grav is a file-based Web platform. Prior to 2.0.0-rc.2, the Twig sandbox allow-list permits any user with the admin.pages role to call config.toArray from within a page body, dumping the entire merged site configuration — including all plugin secrets SMTP passwords, AWS keys, OAuth client secrets...

CVE-2026-42610

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a low-privileged user EX: Content Editor with only pages.update permissions can bypass the existing Twig sandbox restrictions by utilizing the grav'accounts' service. Attacker can programmatically load administrative user objects and extra...

CVE-2026-42609

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, 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 alread...

CVE-2026-44738 Grav: Twig sandbox allows editor-role users to exfiltrate all plugin secrets via Config::toArray()

Grav is a file-based Web platform. Prior to 2.0.0-rc.2, the Twig sandbox allow-list permits any user with the admin.pages role to call config.toArray from within a page body, dumping the entire merged site configuration — including all plugin secrets SMTP passwords, AWS keys, OAuth client secrets...

CVE-2026-42613

Grav’s Login plugin vulnerability CVE-2026-42613 arises from missing server-side validation of attacker-controlled groups and access fields in the registration flow. Prior to 2.0.0-beta.2, if registration is enabled and groups or access are allowed in the configured fields, an unauthenticated use...

CVE-2026-42613 Grav: Privilege Escalation via Missing Server-Side Validation of groups/access

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, the Login::register method in the Login plugin accepts attacker-controlled groups and access fields from the registration POST data without server-side validation. When registration is enabled and groups or access are included in the...

CVE-2026-42612

Grav: Publisher-level stored XSS in getgrav/grav due to a flawed blacklist in detectXss() that mishandles unquoted HTML event attributes. This allows arbitrary JavaScript execution via crafted content prior to 2.0.0-beta.2. The issue is fixed in Grav core on the 2.0 branch; upgrade to 2.0.0-beta....

CVE-2026-42612 Grav: Publisher-Level Stored XSS via Unquoted Event Attributes

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting XSS vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the detectXss function when handling unquoted HTML event attribute...

CVE-2026-42610 Grav: Sensitive Information Disclosure via Accounts Service Bypass

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a low-privileged user EX: Content Editor with only pages.update permissions can bypass the existing Twig sandbox restrictions by utilizing the grav'accounts' service. Attacker can programmatically load administrative user objects and extra...

CVE-2026-42609 Grav: Administrative Account Disruption and Privilege De-escalation via User Overwrite Logic

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, 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 alread...

CVE-2026-42607

CVE-2026-42607 (Grav) : An authenticated admin can achieve Remote Code Execution by uploading a malicious ZIP via the Direct Install tool. The ZIP contents are not inspected before extraction, allowing arbitrary PHP execution or dropping a web shell. This affects Grav’s Admin plugin and the Grav ...

GHSA-6XX2-M8WV-756H Low-privileged Grav API users can create super-admin accounts via blueprint-upload

Summary In Grav 2.0.0-beta.2, a low-privileged authenticated API user with api.media.write can abuse /api/v1/blueprint-upload to write an arbitrary YAML file into user/accounts/, then log in as the newly created account with api.super privileges. This results in full administrative compromise of...

CVE-2025-66843

grav before v1.7.49.5 has a Stored Cross-Site Scripting Stored XSS vulnerability in the page editing functionality. An authenticated low-privileged user with permission to edit content can inject malicious JavaScript payloads into editable fields. The payload is stored on the server and later...

Grav Cross-Site Scripting Vulnerability (CNVD-2025-30348)

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 Cross-Site Scripting Vulnerability

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...

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...