Security advisory

{
  "id": "b0526d9d3b6507e8f7c16ef146d486d79ef1d7b484c30db45a5dada744031d59",
  "url": "https://osv.dev/vulnerability/CVE-2018-3769",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-3769",
    "summary": "ruby-grape ruby gem suffers from a cross-site scripting (XSS) vulnerability via \"format\" parameter.",
    "evidence": "osv:CVE-2018-3769",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-3769",
      "aliases": [
        "CVE-2018-3769",
        "GHSA-f599-5m7p-hcpf"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ruby-grape/grape",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "df3f5840e429fd6abc0088f2f404812079e1b5f0"
                },
                {
                  "fixed": "6876b71efc7b03f7ce1be3f075eaa4e7e6de19af"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:ruby-grape:grape:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.0.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "6876b71efc7b03f7ce1be3f075eaa4e7e6de19af"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.0.3",
            "v1.0.2",
            "v1.0.1",
            "v1.0.0",
            "v0.19.2",
            "v0.19.1",
            "v0.19.0",
            "v0.18.0",
            "v0.17.0",
            "v0.16.2",
            "v0.16.1",
            "v0.16.0",
            "v0.15.0",
            "v0.14.0",
            "v0.13.0",
            "v0.12.0",
            "v0.11.0",
            "v0.10.1",
            "v0.10.0",
            "v0.9.0",
            "v0.8.0",
            "v0.7.0",
            "v0.6.1",
            "v0.6.0",
            "v0.5.0",
            "v0.4.1",
            "v0.4.0",
            "v0.3.2",
            "v0.3.1",
            "v0.3.0",
            "v0.2.1",
            "v0.2.6",
            "v0.2.5",
            "v0.2.4",
            "v0.2.3",
            "v0.2.2",
            "v0.2.0",
            "v0.1.4",
            "v0.1.3",
            "v0.1.1",
            "v0.1.0",
            "v0.0.0.alpha.2",
            "v0.0.0.alpha.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-3769.json"
          }
        }
      ],
      "modified": "2026-10-20T10:45:26.113779626Z",
      "provider": "osv",
      "references": [
        "https://github.com/ruby-grape/grape/pull/1763",
        "https://github.com/ruby-grape/grape/issues/1762",
        "https://github.com/ruby-grape/grape/commit/6876b71efc7b03f7ce1be3f075eaa4e7e6de19af"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-3769",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379286,
  "published_at": "2018-07-05T16:29:00.733+00:00"
}