cve/2024/CVE-2024-27923.md

### [CVE-2024-27923](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-27923)
![](https://img.shields.io/static/v1?label=Product&message=grav&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20%3C%201.7.43%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-287%3A%20Improper%20Authentication&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-434%3A%20Unrestricted%20Upload%20of%20File%20with%20Dangerous%20Type&color=brighgreen)

### Description

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.

### POC

#### Reference
- https://github.com/getgrav/grav/security/advisories/GHSA-f6g2-h7qv-3m5v
- https://github.com/getgrav/grav/security/advisories/GHSA-f6g2-h7qv-3m5v

#### Github
No PoCs found on GitHub currently.