CVE-2021-23814

This affects the package unisharp/laravel-filemanager from 0.0.0. The upload() function does not sufficiently validate the file type when uploading. An attacker may be able to reproduce the following steps: – Install a package with a web Laravel application. – Navigate to the Upload window – Upload an image file, then capture the request – Edit the request contents with a malicious file (webshell) – Enter the path of file uploaded on URL – Remote Code Execution **Note: Prevention for bad extensions can be done by using a whitelist in the config file(lfm.php). Corresponding document can be found in the [here](https://unisharp.github.io/laravel-filemanager/configfolder-categories).

Date published : 2021-12-17

https://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php%23L26

https://snyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199