Security advisory

{
  "id": "75da3735b14c746a259435075cb462e24988abf5fb4da028f574ee3643cbf46b",
  "url": "https://osv.dev/vulnerability/CVE-2017-8811",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-8811",
    "summary": "The implementation of raw message parameter expansion in MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 allows HTML mangling attacks.",
    "evidence": "osv:CVE-2017-8811",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2017-8811",
      "aliases": [
        "CVE-2017-8811"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wikimedia/mediawiki",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "798ceea8b6c75d241f8469873ea900787383c7b4"
                },
                {
                  "introduced": "34bc8899bf68e011fde9113c6857853cf91df0b8"
                },
                {
                  "last_affected": "a69ecd8e05a4d09fd50493102dd6d575b3f70cf3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.27.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:1.28.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.28.0"
                      },
                      {
                        "last_affected": "1.28.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:1.28.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.28.1"
                      },
                      {
                        "last_affected": "1.28.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:1.28.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.28.2"
                      },
                      {
                        "last_affected": "1.28.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:1.29.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.29.0"
                      },
                      {
                        "last_affected": "1.29.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:1.29.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.29.1"
                      },
                      {
                        "last_affected": "1.29.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.28.0",
            "1.28.1",
            "1.28.2",
            "1.29.0",
            "1.29.1",
            "1.29.0-rc.1",
            "1.27.3",
            "1.29.0-rc.0",
            "1.27.2",
            "1.27.1",
            "1.27.0",
            "1.27.0-rc.1",
            "1.27.0-rc.0",
            "test-hashar-for-ci",
            "1.6.0",
            "1.5.0beta4",
            "1.5.0beta3",
            "1.5.0beta2",
            "1.5.0beta1",
            "1.5.0alpha2",
            "1.5.0alpha1",
            "1.3.0beta1",
            "1.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-8811.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:51.882385375Z",
      "provider": "osv",
      "references": [
        "https://www.debian.org/security/2017/dsa-4036",
        "https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2017-8811",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 437569,
  "published_at": "2017-11-15T08:29:00.72+00:00"
}