{
  "schema_version": "1.4.0",
  "id": "GHSA-8r5j-22j5-w4cm",
  "modified": "2023-02-08T17:57:31Z",
  "published": "2023-01-20T18:30:22Z",
  "aliases": [
    "CVE-2021-26642"
  ],
  "summary": "XpressEngine vulnerable to Unrestricted Upload of File with Dangerous Type",
  "details": "When uploading an image file to a bulletin board developed with XpressEngine, a vulnerability in which an arbitrary file can be uploaded due to insufficient verification of the file. A remote attacker can use this vulnerability to execute arbitrary code on the server where the bulletin board is running.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "xpressengine/xpressengine"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.0.15"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26642"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xpressengine/xpressengine/issues/1366"
    },
    {
      "type": "WEB",
      "url": "https://boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=67125"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-434"
    ],
    "severity": "CRITICAL",
    "github_reviewed": true,
    "github_reviewed_at": "2023-02-08T17:57:31Z",
    "nvd_published_at": "2023-01-20T17:15:00Z"
  }
}