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GHSA-3H23-694F-8263

Vulnerability from github – Published: 2022-05-14 01:44 – Updated: 2022-05-14 01:44
VLAI
Details

In GetSimpleCMS 3.3.15, admin/upload.php blocks .html uploads but there are several alternative cases in which HTML can be executed, such as a file with no extension or an unrecognized extension (e.g., the test or test.asdf filename), because of admin/upload-uploadify.php, and validate_safe_file in admin/inc/security_functions.php.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2018-19420"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-434"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-11-21T21:29:00Z",
    "severity": "MODERATE"
  },
  "details": "In GetSimpleCMS 3.3.15, admin/upload.php blocks .html uploads but there are several alternative cases in which HTML can be executed, such as a file with no extension or an unrecognized extension (e.g., the test or test.asdf filename), because of admin/upload-uploadify.php, and validate_safe_file in admin/inc/security_functions.php.",
  "id": "GHSA-3h23-694f-8263",
  "modified": "2022-05-14T01:44:59Z",
  "published": "2022-05-14T01:44:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19420"
    },
    {
      "type": "WEB",
      "url": "https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1301"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}



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