ghsa-fr6r-p8hv-x3c4
Vulnerability from github
Published
2025-06-04 23:50
Modified
2025-06-04 23:50
Severity ?
5.5 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L
Summary
Umbraco Vulnerable to By-Pass of Configured Allowed Extensions for File Uploads
Details

Impact

Via a manipulated API request it's possible to upload a file that doesn't adhere with the configured allowable file extensions.

Patches

Patched in 15.4.2 and 16.0.0.

Workarounds

None available.

Show details on source website

To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 15.4.1"
      },
      "package": {
        "ecosystem": "NuGet",
        "name": "Umbraco.Cms"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "14.0.0"
            },
            {
              "fixed": "15.4.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-48953"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-434"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-06-04T23:50:55Z",
    "nvd_published_at": "2025-06-03T19:15:39Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nVia a manipulated API request it\u0027s possible to upload a file that doesn\u0027t adhere with the configured allowable file extensions.\n\n### Patches\nPatched in 15.4.2 and 16.0.0.\n\n### Workarounds\nNone available.",
  "id": "GHSA-fr6r-p8hv-x3c4",
  "modified": "2025-06-04T23:50:55Z",
  "published": "2025-06-04T23:50:55Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-fr6r-p8hv-x3c4"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-48953"
    },
    {
      "type": "WEB",
      "url": "https://github.com/umbraco/Umbraco-CMS/commit/d920e93d1ee29dc3301697e444f53e8cd5db3cf9"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/umbraco/Umbraco-CMS"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Umbraco Vulnerable to By-Pass of Configured Allowed Extensions for File Uploads"
}


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