CVE-2026-55885

creationtimestamp| type| source ---|---|--- 2026-06-17 19:15:53+00:00| published-proof-of-concept| https://github.com/getgrav/grav/security/advisories/GHSA-2f86-9cp8-6hcf 2026-07-10 22:57:56+00:00| seen| https://bsky.app/profile/kriptabiz.bsky.social/post/3mqdapxlil62s 2026-07-10 23:41:55+00:00|...

📄 Grav CMS Remote Code Execution

This Python exploit targets a vulnerability in Grav CMS versions prior to 2.0.0-beta.2 by abusing the administrative Direct Install plugin feature to achieve remote code execution...

Exploit for Improper Access Control in Getgrav Grav-Plugin-Admin

CVE-2021-21425 - GravCMS Unauthenticated RCE Unauthenticated...

CVE-2026-7317

A vulnerability was found in Grav CMS up to 1.7.49.5/2.0.0-beta.1. Affected by this vulnerability is the function FileCache::doGet of the file system/src/Grav/Framework/Cache/Adapter/FileCache.php of the component Cache Value Handler. The manipulation results in deserialization. The attack may be...

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-2026-42841

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, an authenticated user with page editing permissions can inject an executable JavaScript event-handler attribute into rendered image HTML through Grav's Markdown media action syntax. The issue is caused by Markdown image query parameters...

CVE-2026-42842

The form plugin for Grav adds the ability to create and use forms. Prior to 9.1.0, a Stored Cross-Site Scripting XSS vulnerability exists in the Grav CMS Form plugin's select field template. Taxonomy tag and category values are rendered with the Twig |raw filter in the admin panel, bypassing the...

CVE-2026-44737

grav-plugin-admin is the 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 1.10.49.5, the application fails to properly validate and sanitize user input in the dataheadertitle parameter. As a result,...

CVE-2026-42843

Grav API Plugin is a RESTful API for Grav CMS that provides full headless access to your site's content, media, configuration, users, and system management. Prior to 1.0.0-beta.15, an insecure direct object reference and logic flaw in the Grav API plugin UsersController::update allows any...

CVE-2026-42607

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, an authenticated user with administrative privileges can achieve Remote Code Execution RCE by uploading a specially crafted ZIP file through the "Direct Install" tool. While the system attempts to block direct .php file uploads, it fails t...

CVE-2026-42612

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-2026-42845

The form plugin for Grav adds the ability to create and use forms. Prior to 9.1.0 , there is an unauthenticated page-content overwrite via file upload GHSA-w4rc-p66m-x6qq. Public form uploads now strip path components from the POST-supplied filename and hard-block page-content extensions md, yaml...

CVE-2026-42608

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, there is a Path Traversal vulnerability within the FormFlash core component. By manipulating the sessionid passed as form-flash-id in POST requests, an unauthenticated attacker can traverse the filesystem to create arbitrary directories an...

CVE-2026-42613

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-2026-42611

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a low-privileged with the ability to create a page user can cause XSS with the injection of svg element. The XSS can further be escalated to dump the entire system information available under /admin/config/info whenever a Super Admin visit...

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...

Sensitive Information Disclosure

Grav is vulnerable to Sensitive Information Disclosure. The vulnerability is due to an overly permissive Twig sandbox allow-list, where users with the admin.pages role can invoke config.toArray to expose the site's merged configuration, allowing attackers to retrieve sensitive information such as...

📄 Grav CMS Shell Upload

The Grav CMS Direct Install feature in the Admin plugin allows administrators to upload plugins as ZIP files. The system failed to adequately validate the contents of the ZIP archive or prevent path traversal Zip Slip during extraction. By crafting a malicious plugin that hooks into Grav events...

Grav CMS 2.0.0-beta.2 - Remote Code Execution

Exploit Title: Grav CMS 'onPluginsInitialized', 0; public function onPluginsInitialized: void $shellpath = GRAVROOT . '/shell.php'; if !fileexists$shellpath fileputcontents$shellpath, ''; ---------------------- 2. Compress t...

Improper Access Control

getgrav/grav-plugin-api is vulnerable to Improper Access Control. The vulnerability is due to an insecure direct object reference and flawed permission update logic in UsersController::update, which allows an attacker to escalate privileges to Super Administrator and gain full system access...