Security advisory

{
  "id": "9f1982ec7a22b3bacf9ffe6353dde5efd5090e43382cf5f725b8c5e607e7895d",
  "url": "https://osv.dev/vulnerability/CVE-2021-31746",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-31746",
    "summary": "Zip Slip vulnerability in Pluck-CMS Pluck 4.7.15 allows an attacker to upload specially crafted zip files, resulting in directory traversal and potentially arbitrary code execution.",
    "evidence": "osv:CVE-2021-31746",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-31746",
      "aliases": [
        "CVE-2021-31746"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/pluck-cms/pluck",
              "type": "GIT",
              "events": [
                {
                  "introduced": "2285080b37b4029074230635839d5b8b8f1dc8d5"
                },
                {
                  "last_affected": "2285080b37b4029074230635839d5b8b8f1dc8d5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:pluck-cms:pluck:4.7.15:-:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.7.15-NA"
                      },
                      {
                        "last_affected": "4.7.15-NA"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.7.15-NA",
            "4.7.15"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-31746.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:40.524917526Z",
      "provider": "osv",
      "references": [
        "https://github.com/pluck-cms/pluck/issues/100"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-31746",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385855,
  "published_at": "2021-12-10T18:15:07.653+00:00"
}