CVE-2021-23814
- State
- Published
- Severity
- 6.7 Medium
- Published
- Dec 17, 2021
- Updated
- Jun 17, 2025
- Reserved
- Jan 8, 2021
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).
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.7 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L/E:P | snyk |
Weaknesses
- CWE-94 Arbitrary File Upload
Affected Products
| Product | Versions |
|---|---|
unisharp/laravel-filemanagern/a |
|
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
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