{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "4.8.8"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "b90acf00e63e2be98f81e1cde58a5bea4b31dee9"
            }
          ],
          "repo": "https://github.com/textpattern/textpattern",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "An arbitrary file upload vulnerability in the upload plugin of Textpattern v4.8.8 and below allows attackers to execute arbitrary code by uploading a crafted PHP file.",
  "id": "CVE-2023-26852",
  "modified": "2026-03-13T21:50:25.222657252Z",
  "published": "2023-04-12T17:15:07.537Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://github.com/textpattern/textpattern"
    },
    {
      "type": "EVIDENCE",
      "url": "https://drive.google.com/drive/folders/1x55FGWZydBRxFyTVIAL1ynnk1X7gfIq9?usp=sharing"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/leekenghwa/CVE-2023-26852-Textpattern-v4.8.8-and-"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}