Security advisory

{
  "id": "f533fdf27f2454e8636c4e79f561b69835e221bc8b42463694c7f26bd2eedea4",
  "url": "https://osv.dev/vulnerability/CVE-2017-1002201",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-1002201",
    "summary": "In haml versions prior to version 5.0.0.beta.2, when using user input to perform tasks on the server, characters like < > \" ' must be escaped properly. In this case, the ' character was missed. An attacker can manipulate the input to introduce additional attributes, potentially executing code.",
    "evidence": "osv:CVE-2017-1002201",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2017-1002201",
      "aliases": [
        "CVE-2017-1002201",
        "GHSA-r53w-g4xm-3gc6",
        "SNYK-RUBY-HAML-20362"
      ],
      "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/haml/haml",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "78e2a09d3b8c6f7cdb3bb87ff84dce8fad5598ac"
                },
                {
                  "fixed": "18576ae6e9bdcb4303fdbe6b3199869d289d67c2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:haml:haml:*:*:*:*:*:ruby:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "5.0.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "18576ae6e9bdcb4303fdbe6b3199869d289d67c2"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v5.0.0.beta.2",
            "4.1.0.beta.1",
            "3.2.0.beta.2",
            "3.2.0.beta.1",
            "3.1.3",
            "3.1.2",
            "3.1.1",
            "3.1.0",
            "3.0.0",
            "3.0.0.rc.5",
            "3.0.0.rc.4",
            "3.0.0.rc.3",
            "3.0.0.rc.2",
            "3.0.0.rc.1",
            "3.0.0.beta.3",
            "3.0.0.beta.2",
            "3.0.0.beta.1",
            "2.2.0",
            "2.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-1002201.json"
          }
        }
      ],
      "modified": "2026-10-20T10:48:01.838195808Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2019/11/msg00007.html",
        "https://lists.debian.org/debian-lts-announce/2021/12/msg00028.html",
        "https://security.gentoo.org/glsa/202007-27",
        "https://github.com/haml/haml/commit/18576ae6e9bdcb4303fdbe6b3199869d289d67c2",
        "https://snyk.io/vuln/SNYK-RUBY-HAML-20362"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  },
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2017-1002201",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379960,
  "published_at": "2019-10-15T18:15:10.56+00:00"
}