Security advisory

{
  "id": "2773b0104da3d4f8e1f7c6863c463c569a9feed61fbcd57be7cb7d238bd33de1",
  "url": "https://osv.dev/vulnerability/CVE-2023-48031",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-48031",
    "summary": "OpenSupports v4.11.0 is vulnerable to Unrestricted Upload of File with Dangerous Type. In the comment function, an attacker can bypass security restrictions and upload a .bat file by manipulating the file's magic bytes to masquerade as an allowed type. This can enable the attacker to execute arbitrary code or establish a reverse shell, leading to unauthorized file writes or control over the victim's station via a crafted file upload operation.",
    "evidence": "osv:CVE-2023-48031",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2023-48031",
      "aliases": [
        "CVE-2023-48031"
      ],
      "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/opensupports/opensupports",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8b4b73402e3da962dd000a19aec490a2445c0ad3"
                },
                {
                  "last_affected": "8b4b73402e3da962dd000a19aec490a2445c0ad3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:opensupports:opensupports:4.11.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.11.0"
                      },
                      {
                        "last_affected": "4.11.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.11.0",
            "v4.11.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-48031.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:22.985241797Z",
      "provider": "osv",
      "references": [
        "https://bugplorer.github.io/cve-opensupports/",
        "https://nitipoom-jar.github.io/CVE-2023-48031/",
        "https://nitipoom-jaroonchaipipat.github.io/security-research-portal/2023-48031",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48031.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-48031"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48031.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-48031",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 489334,
  "published_at": "2023-11-17T00:00:00+00:00"
}