📄 Grav CMS 1.7.49.5 Sandbox Bypass

This code is a standalone PHP proof of concept exploit targeting Grav CMS version 1.7.49.5 that demonstrates an authenticated remote code execution vulnerability caused by a Twig server-side template injection combined with a sandbox bypass...

Grav may be vulnerable to SSRF attack via Twig Templates

In grav 1.7.49.5, a SSRF Server-Side Request Forgery vector may be triggered via Twig templates when page content is processed by Twig and the configuration allows undefined PHP functions to be registered...

EUVD-2025-203400

In grav 1.7.49.5, a SSRF Server-Side Request Forgery vector may be triggered via Twig templates when page content is processed by Twig and the configuration allows undefined PHP functions to be registered...

GHSA-729W-J79F-2C34 Grav may be vulnerable to SSRF attack via Twig Templates

In grav 1.7.49.5, a SSRF Server-Side Request Forgery vector may be triggered via Twig templates when page content is processed by Twig and the configuration allows undefined PHP functions to be registered...

CVE-2025-66844

In grav 1.7.49.5, a SSRF Server-Side Request Forgery vector may be triggered via Twig templates when page content is processed by Twig and the configuration allows undefined PHP functions to be registered...

CVE-2025-66844

In grav 1.7.49.5, a SSRF Server-Side Request Forgery vector may be triggered via Twig templates when page content is processed by Twig and the configuration allows undefined PHP functions to be registered...

PT-2025-51250

In grav 1.7.49.5, a SSRF Server-Side Request Forgery vector may be triggered via Twig templates when page content is processed by Twig and the configuration allows undefined PHP functions to be registered...

CVE-2025-66844

CVE-2025-66844 affects Grav up to version

Grav 安全漏洞

Grav is Grav's open source set of scalable CMS Content Management System for personal blogs, small content publishing platforms, and one-page product displays. A security vulnerability exists in Grav versions prior to 1.7.49.5, which stems from improper handling of Twig templates and could lead t...

CVE-2025-66844

In grav 1.7.49.5, a SSRF Server-Side Request Forgery vector may be triggered via Twig templates when page content is processed by Twig and the configuration allows undefined PHP functions to be registered...

CVE-2025-66844

In grav 1.7.49.5, a SSRF Server-Side Request Forgery vector may be triggered via Twig templates when page content is processed by Twig and the configuration allows undefined PHP functions to be registered...

Security Sandbox Bypass

getgrav/grav is vulnerable to Server-Side Template Injection SSTI. The vulnerability is due to insufficient protection of the Twig template sandbox, which allows an authenticated user with editor permissions to inject malicious template directives and execute arbitrary code on the server...

Privilege Escalation

getgrav/grav is vulnerable to Privilege Escalation PE. The vulnerability is due to improper handling of Twig processing in page frontmatter, which allows an attacker to inject malicious Twig expressions and escalate privileges or execute arbitrary system commands via the scheduler API...

Server-Side Template Injection (SSTI)

getgrav/grav is vulnerable to Server-Side Template Injection SSTI. The vulnerability is due to weak regex validation in the cleanDangerousTwig method, which allows an attacker to execute arbitrary commands on the server...

📄 Grav CMS Twig SSTI Authenticated Sandbox Bypass Remote Code Execution

This Metasploit module exploits a Server-Side Template Injection SSTI vulnerability CVE-2025-66294 in Grav CMS that allows bypassing the Twig sandbox to achieve remote code execution. The cleanDangerousTwig method uses weak regex that fails to sanitize nested Twig calls within the evaluatetwig...

Grav server-side template injection vulnerability (CNVD-2025-30352)

Grav is an extensible CMS Content Management System for personal blogs, small content publishing platforms and one-page product presentations. Grav suffers from a server-side template injection vulnerability that stems from insufficient regular expression validation of the cleanDangerousTwig...

Grav Code Execution 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 code execution vulnerability that stems from malicious Twig expression injection, which can be exploited by an attacker to cause...

CVE-2025-66297

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a user with admin panel access and permissions to create or edit pages in Grav CMS can enable Twig processing in the page frontmatter. By injecting malicious Twig expressions, the user can escalate their privileges to admin or execute...

CVE-2025-66299

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, Grav CMS is vulnerable to a Server-Side Template Injection SSTI that allows any authenticated user with editor permissions to execute arbitrary code on the remote server, bypassing the existing security sandbox. Since the security sandbox...

Grav is vulnerable to RCE via SSTI through Twig Sandbox Bypass

Summary A Server-Side Template Injection SSTI vulnerability exists in Grav that allows authenticated attackers with editor permissions to execute arbitrary commands on the server and, under certain conditions, may also be exploited by unauthenticated attackers. This vulnerability stems from weak...