{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2021-23814","assignerOrgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","assignerShortName":"snyk","dateUpdated":"2025-06-17T11:38:06.941Z","dateReserved":"2021-01-08T00:00:00.000Z","datePublished":"2021-12-17T20:00:14.149Z"},"containers":{"cna":{"metrics":[{"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","exploitCodeMaturity":"PROOF_OF_CONCEPT","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"LOW","baseScore":6.7,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L/E:P"}}],"credits":[{"value":"Huy Nguyen","lang":"en"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-94","description":"Arbitrary File Upload","lang":"en"}]}],"providerMetadata":{"orgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","shortName":"snyk","dateUpdated":"2025-06-17T11:38:06.941Z"},"descriptions":[{"value":"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.\r\rAn attacker may be able to reproduce the following steps:\r\r1. Install a package with a web Laravel application.\r2. Navigate to the Upload window\r3. Upload an image file, then capture the request\r4. Edit the request contents with a malicious file (webshell)\r5. Enter the path of file uploaded on URL - Remote Code Execution\r\r\r**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).","lang":"en"}],"references":[{"url":"https://security.snyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199"},{"url":"https://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php%23L26"},{"url":"https://github.com/UniSharp/laravel-filemanager/releases/tag/v2.5.1"},{"url":"https://github.com/UniSharp/laravel-filemanager/issues/1113"},{"url":"https://github.com/UniSharp/laravel-filemanager/releases/tag/v2.6.2"}],"affected":[{"product":"unisharp/laravel-filemanager","versions":[{"version":"0","lessThan":"2.6.2","status":"affected","versionType":"semver"}],"vendor":"n/a"}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T19:14:08.890Z"},"title":"CVE Program Container","references":[{"url":"https://snyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199","tags":["x_transferred"]},{"url":"https://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php%23L26","tags":["x_transferred"]},{"url":"https://github.com/UniSharp/laravel-filemanager/issues/1113#issuecomment-1812092975","tags":["x_transferred"]}]}]}}