{"id":"GHSA-f8x6-m9f5-ffp8","summary":"Unrestricted Upload of File with Dangerous Type in unisharp/laravel-filemanager","details":"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.\n\nAn attacker may be able to reproduce the following steps:\n- Install a package with a web Laravel application.\n- Navigate to the Upload window\n- Upload an image file, then capture the request\n- Edit the request contents with a malicious file (webshell)\n- Enter the path of file uploaded on URL\n- Remote Code Execution\n\n**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).","aliases":["CVE-2021-23814","SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199"],"modified":"2025-06-18T04:13:17.934264Z","published":"2022-01-06T21:08:34Z","database_specific":{"github_reviewed_at":"2022-01-04T18:05:21Z","nvd_published_at":"2021-12-17T20:15:00Z","cwe_ids":["CWE-434"],"severity":"MODERATE","github_reviewed":true},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23814"},{"type":"WEB","url":"https://github.com/UniSharp/laravel-filemanager/issues/1113#issuecomment-1812092975"},{"type":"WEB","url":"https://github.com/UniSharp/laravel-filemanager/commit/bd84899ce65a7f193e676dd8444e424fa50f64fa"},{"type":"PACKAGE","url":"https://github.com/UniSharp/laravel-filemanager"},{"type":"WEB","url":"https://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php#L26"},{"type":"WEB","url":"https://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php%23L26"},{"type":"WEB","url":"https://snyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199"}],"affected":[{"package":{"name":"unisharp/laravel-filemanager","ecosystem":"Packagist","purl":"pkg:composer/unisharp/laravel-filemanager"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.2"}]}],"versions":["0.1.0","0.2.0","0.3.0","0.3.1","0.5.0","0.5.1","0.5.2","0.5.3","1.0.0","1.1.0","1.1.0-alpha","1.1.1","1.2.0","1.3.0-alpha","1.4.0-alpha","1.5.0","1.5.1","1.5.2","1.6.0","1.6.1","1.6.2","1.6.3","1.6.4","v1.7-alpha","v1.7.0","v1.7.1","v1.7.2","v1.7.3","v1.7.4","v1.7.5","v1.7.6","v1.7.7","v1.8.0","v1.8.1","v1.8.2","v1.8.2-alpha","v1.8.2.1","v1.8.2.2","v1.8.3","v1.8.4","v1.8.5","v1.9.0","v1.9.1","v1.9.2","v2.0.0","v2.0.0-alpha","v2.0.0-alpha2","v2.0.0-alpha3","v2.0.0-alpha4","v2.0.0-alpha5","v2.0.0-alpha6","v2.0.0-alpha7","v2.0.0-alpha8","v2.0.1","v2.1.0","v2.2.0","v2.3.0","v2.4.0","v2.4.1","v2.5.0","v2.5.1","v2.6.0","v2.6.1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/01/GHSA-f8x6-m9f5-ffp8/GHSA-f8x6-m9f5-ffp8.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L"}]}