CVE-2021-23814 | BDVDB-2026-166128 Detail
unisharp/laravel-filemanager
Description#
This affects versions of the package unisharp/laravel-filemanager before 2.6.2. The upload() function does not sufficiently validate the file type when uploading. An attacker may be able to reproduce the following steps: 1. Install a package with a web Laravel application. 2. Navigate to the Upload window 3. Upload an image file, then capture the request 4. Edit the request contents with a malicious file (webshell) 5. 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 [here](https://unisharp.github.io/laravel-filemanager/configfolder-categories).
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact low. Attack vector: network.
Weaknesses#
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References#
- https://security.snyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199
- https://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php%23L26
- https://github.com/UniSharp/laravel-filemanager/releases/tag/v2.5.1
- https://github.com/UniSharp/laravel-filemanager/issues/1113
- https://github.com/UniSharp/laravel-filemanager/releases/tag/v2.6.2
- https://snyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199
- https://github.com/UniSharp/laravel-filemanager/issues/1113#issuecomment-1812092975
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.