{"api_version":"1","generated_at":"2026-04-17T00:23:51+00:00","cve":"CVE-2021-23814","urls":{"html":"https://cve.report/CVE-2021-23814","api":"https://cve.report/api/cve/CVE-2021-23814.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-23814","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-23814"},"summary":{"title":"CVE-2021-23814","description":"This affects the package unisharp/laravel-filemanager from 0.0.0. 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](https://unisharp.github.io/laravel-filemanager/configfolder-categories).","state":"PUBLIC","assigner":"report@snyk.io","published_at":"2021-12-17 20:15:00","updated_at":"2023-12-07 18:15:00"},"problem_types":["CWE-434"],"metrics":[],"references":[{"url":"https://snyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199","name":"N/A","refsource":"CONFIRM","tags":[],"title":"Arbitrary File Upload in unisharp/laravel-filemanager | Snyk","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/UniSharp/laravel-filemanager/issues/1113#issuecomment-1812092975","name":"https://github.com/UniSharp/laravel-filemanager/issues/1113#issuecomment-1812092975","refsource":"","tags":[],"title":"","mime":"","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php%23L26","name":"N/A","refsource":"CONFIRM","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":""},{"url":"https://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php#L26","name":"MISC:https://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php%23L26","refsource":"MITRE","tags":[],"title":"laravel-filemanager/UploadController.php at master · UniSharp/laravel-filemanager · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-23814","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23814","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"Huy Nguyen","lang":""}],"nvd_cpes":[{"cve_year":"2021","cve_id":"23814","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"unisharp","cpe5":"laravel-filemanager","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ASSIGNER":"report@snyk.io","DATE_PUBLIC":"2021-12-17T20:00:01.811275Z","ID":"CVE-2021-23814","STATE":"PUBLIC","TITLE":"Arbitrary File Upload"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"unisharp/laravel-filemanager","version":{"version_data":[{"version_affected":">=","version_value":"0.0.0"}]}}]},"vendor_name":"n/a"}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Arbitrary File Upload"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://snyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199","name":"https://snyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199"},{"refsource":"MISC","url":"https://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php%23L26","name":"https://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php%23L26"}]},"description":{"description_data":[{"lang":"eng","value":"This affects the package unisharp/laravel-filemanager from 0.0.0. 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](https://unisharp.github.io/laravel-filemanager/configfolder-categories)."}]},"impact":{"cvss":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L","baseScore":6.7,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"LOW"}},"credit":[{"lang":"eng","value":"Huy Nguyen"}]},"nvd":{"publishedDate":"2021-12-17 20:15:00","lastModifiedDate":"2023-12-07 18:15:00","problem_types":["CWE-434"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":6.5},"severity":"MEDIUM","exploitabilityScore":8,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:unisharp:laravel-filemanager:*:*:*:*:*:*:*:*","versionStartIncluding":"0.0.0","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"23814","Ordinal":"198541","Title":"CVE-2021-23814","CVE":"CVE-2021-23814","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"23814","Ordinal":"1","NoteData":"This affects the package unisharp/laravel-filemanager from 0.0.0. 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](https://unisharp.github.io/laravel-filemanager/configfolder-categories).","Type":"Description","Title":null},{"CveYear":"2021","CveId":"23814","Ordinal":"2","NoteData":"2021-12-17","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"23814","Ordinal":"3","NoteData":"2021-12-17","Type":"Other","Title":"Modified"}]}}}