CarrierWave has a content-type allowlist bypass vulnerability, possibly leading to XSS

{
  "id": "d2dbecad0213eb41c63333ba4bb25e04ffb997238c07cbb2fa038cebaaaef257",
  "url": "https://osv.dev/vulnerability/CVE-2023-49090",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CarrierWave has a content-type allowlist bypass vulnerability, possibly leading to XSS",
    "summary": "CarrierWave is a solution for file uploads for Rails, Sinatra and other Ruby web frameworks. CarrierWave has a Content-Type allowlist bypass vulnerability, possibly leading to XSS. The validation in `allowlisted_content_type?` determines Content-Type permissions by performing a partial match. If the `content_type` argument of `allowlisted_content_type?` is passed a value crafted by the attacker, Content-Types not included in the `content_type_allowlist` will be allowed. This issue has been patched in versions 2.2.5 and 3.0.5.",
    "evidence": "osv:CVE-2023-49090",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-49090",
      "aliases": [
        "CVE-2023-49090",
        "GHSA-gxhx-g4fq-49hj"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/carrierwaveuploader/carrierwave",
              "type": "GIT",
              "events": [
                {
                  "introduced": "13330a70323cde83b319520f5c1874227de79cdf"
                },
                {
                  "fixed": "0fcff94cebce07b856531d6502b11466e8331409"
                },
                {
                  "introduced": "269c37a6c8609c26915f31ccfada512ef12fb3cb"
                },
                {
                  "fixed": "5316b352b6ed38595e99622eeb954a2cd0b1d5c2"
                },
                {
                  "fixed": "39b282db5c1303899b3d3381ce8a837840f983b5"
                },
                {
                  "fixed": "863d425c76eba12c3294227b39018f6b2dccbbf3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "2.2.0"
                      },
                      {
                        "fixed": "2.2.5"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "fixed": "3.0.5"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "fixed": "39b282db5c1303899b3d3381ce8a837840f983b5"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "863d425c76eba12c3294227b39018f6b2dccbbf3"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.2.4",
            "v3.0.4",
            "v3.0.3",
            "v3.0.2",
            "v3.0.1",
            "v3.0.0",
            "v2.2.3",
            "v2.2.2",
            "v2.2.1",
            "v2.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-49090.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:42.455420561Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49090.json",
        "https://github.com/carrierwaveuploader/carrierwave/security/advisories/GHSA-gxhx-g4fq-49hj",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-49090",
        "https://github.com/carrierwaveuploader/carrierwave/commit/39b282db5c1303899b3d3381ce8a837840f983b5",
        "https://github.com/carrierwaveuploader/carrierwave/commit/863d425c76eba12c3294227b39018f6b2dccbbf3"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49090.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-49090",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 509887,
  "published_at": "2023-11-29T14:38:52.195+00:00"
}