CVE-2026-42608

Grav CVE-2026-42608 describes an unauthenticated path traversal in the FormFlash component that lets an attacker manipulate the session_id (__form-flash-id) in POST requests to traverse the filesystem and write an index.yaml, enabling arbitrary directory creation and data manipulation. Affected: ...

CVE-2026-42608 Grav: Unauthenticated Path Traversal & Arbitrary File Write in FormFlash component.

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-2026-42608 Grav: Unauthenticated Path Traversal & Arbitrary File Write in FormFlash component.

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-2026-42607 Grav: Remote Code Execution (RCE) via Malicious Plugin ZIP Upload in Direct Install Feature

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-2026-42607 Grav: Remote Code Execution (RCE) via Malicious Plugin ZIP Upload in Direct Install Feature

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-2026-42607 Grav: Remote Code Execution (RCE) via Malicious Plugin ZIP Upload in Direct Install Feature

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-2026-42607

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 ...

CVE-2026-42841 Grav: Stored XSS via Markdown media attribute() action in Grav CMS

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-2026-42841 Grav: Stored XSS via Markdown media attribute() action in Grav CMS

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-2026-42841

Grav CMS stores image attributes via Markdown media action parameters. Before 2.0.0-beta.2, an authenticated page editor could inject a JavaScript event handler by calling attribute(name, value) through image query parameters (e.g., ?attribute=onload,alert(...)). The attack results in a stored XS...

CVE-2026-42841 Grav: Stored XSS via Markdown media attribute() action in Grav CMS

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...

Server-Side Request Forgery (SSRF)

Grav is vulnerable to Server-Side Request Forgery SSRF. The vulnerability is due to unsafe processing of Twig templates with undefined PHP function registration enabled, which allows an attacker to trigger unauthorized server-side requests...

Grav 路径遍历漏洞

Grav is a scalable content management system CMS developed by the Grav open-source community, suitable for use in personal blogs, small content publishing platforms, and single-page product displays. Versions of Grav prior to 2.0.0-beta.2 contained a path traversal vulnerability. This vulnerabili...

Grav CMS 安全漏洞

Grav CMS is an open-source file-based content management system developed by Grav. Versions of Grav CMS prior to 1.0.0-beta.15 contained security vulnerabilities. These vulnerabilities were caused by insecure direct object references and logical flaws, which could allow authenticated users to...

Grav 输入验证错误漏洞

Grav is a scalable content management system CMS developed by the Grav open-source community, suitable for use in personal blogs, small content publishing platforms, and single-page product displays. Prior to Grav 2.0.0-beta.2, there was a vulnerability related to input validation errors. This...

Grav CMS 安全漏洞

Grav CMS is an open-source file-based content management system developed by Grav. Versions of Grav CMS prior to 9.1.0 contained security vulnerabilities. These vulnerabilities stemmed from the lack of path stripping during file uploads and the failure to strictly prevent the extension of page...

Grav 安全漏洞

Grav is a scalable content management system CMS developed by the Grav open-source community, suitable for use in personal blogs, small content publishing platforms, and single-page product displays. Versions of Grav prior to 2.0.0-beta.2 contained security vulnerabilities. These vulnerabilities...

Grav 安全漏洞

Grav is a scalable content management system CMS developed by the Grav open-source community, suitable for use in personal blogs, small content publishing platforms, and single-page product displays. Versions of Grav prior to 2.0.0-beta.2 contained security vulnerabilities. These vulnerabilities...

Grav-Plugin-Admin 跨站脚本漏洞

Grav-Plugin-Admin is an administrative plugin developed by Grav, an open-source project. It is used to configure Grav pages. Versions of Grav-Plugin-Admin prior to 1.10.49.5 contained a cross-site scripting vulnerability. This vulnerability stemmed from improper validation and cleaning of the...

Grav 跨站脚本漏洞

Grav is a scalable content management system CMS developed by the Grav open-source community, suitable for use in personal blogs, small content publishing platforms, and single-page product displays. Prior to Grav 9.1.0, there was a cross-site scripting vulnerability. This vulnerability stemmed...