ghsa-m6qg-wrwf-hqr2
Vulnerability from github
Published
2022-05-24 17:21
Modified
2022-05-24 17:21
Details

ExpressionEngine before 5.3.2 allows remote attackers to upload and execute arbitrary code in a .php%20 file via Compose Msg, Add attachment, and Save As Draft actions. A user with low privileges (member) is able to upload this. It is possible to bypass the MIME type check and file-extension check while uploading new files. Short aliases are not used for an attachment; instead, direct access is allowed to the uploaded files. It is possible to upload PHP only if one has member access, or registration/forum is enabled and one can create a member with the default group id of 5. To exploit this, one must to be able to send and compose messages (at least).

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2020-13443"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-06-24T15:15:00Z",
    "severity": "MODERATE"
  },
  "details": "ExpressionEngine before 5.3.2 allows remote attackers to upload and execute arbitrary code in a .php%20 file via Compose Msg, Add attachment, and Save As Draft actions. A user with low privileges (member) is able to upload this. It is possible to bypass the MIME type check and file-extension check while uploading new files. Short aliases are not used for an attachment; instead, direct access is allowed to the uploaded files. It is possible to upload PHP only if one has member access, or registration/forum is enabled and one can create a member with the default group id of 5. To exploit this, one must to be able to send and compose messages (at least).",
  "id": "GHSA-m6qg-wrwf-hqr2",
  "modified": "2022-05-24T17:21:35Z",
  "published": "2022-05-24T17:21:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-13443"
    },
    {
      "type": "WEB",
      "url": "https://expressionengine.com/blog"
    },
    {
      "type": "WEB",
      "url": "https://gist.github.com/mariuszpoplwski/51604d8a6d7d78fffdf590c25e844e09"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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