Unrestricted Upload of File with Dangerous Type in unisharp/laravel-filemanager
This affects the package unisharp/laravel-filemanager prior to version 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:
- 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.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | unisharp/laravel-filemanager | < 2.6.2 | 2.6.2 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-23814
- https://github.com/UniSharp/laravel-filemanager/issues/1113#issuecomment-1812092975
- https://github.com/UniSharp/laravel-filemanager/commit/bd84899ce65a7f193e676dd8444e424fa50f64fa
- https://github.com/UniSharp/laravel-filemanager
- https://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php#L26
- https://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php%23L26
- https://snyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L- Weakness (CWE)
CWE-434- Platform
- Composer
- Package
unisharp/laravel-filemanager- Disclosed
- 06.01.2022
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-f8x6-m9f5-ffp8 - CC BY 4.0
Vulnerability history: unisharp/laravel-filemanager
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 3
- First → latest
- 01.2022 12.2024
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 2
Disclosures per year
- 2022: 2
- 2023: 0
- 2024: 1
- 2025: 0
- 2026: 0
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Unrestricted Upload of File with Dangerous Type in unisharp/laravel-filemanager this entry
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