Vulnerability-Lookup

GHSA-F8X6-M9F5-FFP8

Vulnerability from github – Published: 2022-01-06 21:08 – Updated: 2024-04-22 19:10

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.

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.

Severity

6.7 (Medium)


                  
                    CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "unisharp/laravel-filemanager"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.6.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-23814"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-434"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-01-04T18:05:21Z",
    "nvd_published_at": "2021-12-17T20:15:00Z",
    "severity": "MODERATE"
  },
  "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).",
  "id": "GHSA-f8x6-m9f5-ffp8",
  "modified": "2024-04-22T19:10:22Z",
  "published": "2022-01-06T21:08:34Z",
  "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"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Unrestricted Upload of File with Dangerous Type in unisharp/laravel-filemanager"
}

CVE-2021-23814 (GCVE-0-2021-23814)

Vulnerability from cvelistv5 – Published: 2021-12-17 20:00 – Updated: 2025-06-17 11:38

Summary

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. An attacker may be able to reproduce the following steps: 1. Install a package with a web Laravel application. 2. Navigate to the Upload window 3. Upload an image file, then capture the request 4. Edit the request contents with a malicious file (webshell) 5. 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 [here](https://unisharp.github.io/laravel-filemanager/configfolder-categories).

Severity

6.7 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L/E:P

CWE

CWE-94 - Arbitrary File Upload

Assigner

snyk mitre root Scorecard

References

7 references

URL	Tags
https://security.snyk.io/vuln/SNYK-PHP-UNISHARPLA…
https://github.com/UniSharp/laravel-filemanager/b…
https://github.com/UniSharp/laravel-filemanager/r…
https://github.com/UniSharp/laravel-filemanager/i…
https://github.com/UniSharp/laravel-filemanager/r…
https://snyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILE…	x_transferred
https://github.com/UniSharp/laravel-filemanager/i…	x_transferred

Impacted products

1 product

Vendor	Product	Version
n/a	unisharp/laravel-filemanager	Affected: 0 , < 2.6.2 (semver)

Credits

Huy Nguyen

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T19:14:08.890Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "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"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "unisharp/laravel-filemanager",
          "vendor": "n/a",
          "versions": [
            {
              "lessThan": "2.6.2",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Huy Nguyen"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "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)."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "exploitCodeMaturity": "PROOF_OF_CONCEPT",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L/E:P",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-94",
              "description": "Arbitrary File Upload",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-17T11:38:06.941Z",
        "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
        "shortName": "snyk"
      },
      "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"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
    "assignerShortName": "snyk",
    "cveId": "CVE-2021-23814",
    "datePublished": "2021-12-17T20:00:14.149Z",
    "dateReserved": "2021-01-08T00:00:00.000Z",
    "dateUpdated": "2025-06-17T11:38:06.941Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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GHSA-F8X6-M9F5-FFP8

CVE-2021-23814 (GCVE-0-2021-23814)

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