Saturday, December 18, 2021



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](

References to Advisories, Solutions, and Tools

References to Advisories, Solutions, and Tools

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thank you Templateism for the design - You should have written the code a little more complicated - Nothing Encrypted anymore