{ "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" ] } ] } ] } }