Grav Security Vulnerabilities

CVE-2020-11529

Common/Grav.php in Grav before 1.7 has an Open Redirect. This is partially fixed in 1.6.23 and still present in 1.6.x.

CVE-2021-29440

Grav is a file based Web-platform. Twig processing of static pages can be enabled in the front matter by any administrative user allowed to create or edit pages. As the Twig processor runs unsandboxed, this behavior can be used to gain arbitrary code execution and elevate privileges on the instance...

CVE-2021-3818

grav is vulnerable to Reliance on Cookies without Validation and Integrity Checking

CVE-2021-3904

grav is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVE-2021-3924

grav is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVE-2022-0268

Cross-site Scripting (XSS) - Stored in Packagist getgrav/grav prior to 1.7.28.

CVE-2022-0743

Cross-site Scripting (XSS) - Stored in GitHub repository getgrav/grav prior to 1.7.31.

CVE-2022-0970

Cross-site Scripting (XSS) - Stored in GitHub repository getgrav/grav prior to 1.7.31.

CVE-2022-1173

stored xss in GitHub repository getgrav/grav prior to 1.7.33.

CVE-2022-2073

Code Injection in GitHub repository getgrav/grav prior to 1.7.34.

CVE-2023-31506

A cross-site scripting (XSS) vulnerability in Grav versions 1.7.44 and before, allows remote authenticated attackers to execute arbitrary web scripts or HTML via the onmouseover attribute of an ISINDEX element.

CVE-2023-34251

Grav is a flat-file content management system. Versions prior to 1.7.42 are vulnerable to server side template injection. Remote code execution is possible by embedding malicious PHP code on the administrator screen by a user with page editing privileges. Version 1.7.42 contains a fix for this issu...

CVE-2023-34252

Grav is a flat-file content management system. Prior to version 1.7.42, there is a logic flaw in the GravExtension.filterFilter() function whereby validation against a denylist of unsafe functions is only performed when the argument passed to filter is a string. However, passing an array as a calla...

CVE-2023-34253

Grav is a flat-file content management system. Prior to version 1.7.42, the denylist introduced in commit 9d6a2d to prevent dangerous functions from being executed via injection of malicious templates was insufficient and could be easily subverted in multiple ways -- (1) using unsafe functions that...

CVE-2023-34448

Grav is a flat-file content management system. Prior to version 1.7.42, the patch for CVE-2022-2073, a server-side template injection vulnerability in Grav leveraging the default filter() function, did not block other built-in functions exposed by Twig's Core Extension that could be used to invoke ...

CVE-2023-34452

Grav is a flat-file content management system. In versions 1.7.42 and prior, the "/forgot_password" page has a self-reflected cross-site scripting vulnerability that can be exploited by injecting a script into the "email" parameter of the request. While this vulnerability can potentially allow an a...

CVE-2023-37897

Grav is a file-based Web-platform built in PHP. Grav is subject to a server side template injection (SSTI) vulnerability. The fix for another SSTI vulnerability using |map, |filter and |reduce twigs implemented in the commit 71bbed1 introduces bypass of the denylist due to incorrect return value fr...

CVE-2024-27921

Grav is an open-source, flat-file content management system. A file upload path traversal vulnerability has been identified in the application prior to version 1.7.45, enabling attackers to replace or create files with extensions like .json, .zip, .css, .gif, etc. This critical security flaw poses ...

CVE-2024-27923

Grav is a content management system (CMS). Prior to version 1.7.43, users who may write a page may use the frontmatter feature due to insufficient permission validation and inadequate file name validation. This may lead to remote code execution. Version 1.7.43 fixes this issue.

CVE-2024-28116

Grav is an open-source, flat-file content management system. Grav CMS prior to version 1.7.45 is vulnerable to a Server-Side Template Injection (SSTI), which allows any authenticated user (editor permissions are sufficient) to execute arbitrary code on the remote server bypassing the existing secur...

CVE-2024-28117

Grav is an open-source, flat-file content management system. Prior to version 1.7.45, Grav validates accessible functions through the Utils::isDangerousFunction function, but does not impose restrictions on twig functions like twig_array_map, allowing attackers to bypass the validation and execute ...

CVE-2024-28118

Grav is an open-source, flat-file content management system. Prior to version 1.7.45, due to the unrestricted access to twig extension class from Grav context, an attacker can redefine config variable. As a result, attacker can bypass a previous SSTI mitigation. Twig processing of static pages can ...

CVE-2024-28119

Grav is an open-source, flat-file content management system. Prior to version 1.7.45, due to the unrestricted access to twig extension class from grav context, an attacker can redefine the escape function and execute arbitrary commands. Twig processing of static pages can be enabled in the front ma...

CVE-2024-34082

Grav is a file-based Web platform. Prior to version 1.7.46, a low privilege user account with page edit privilege can read any server files using Twig Syntax. This includes Grav user account files - /grav/user/accounts/*.yaml. This file stores hashed user password, 2FA secret, and the password rese...