Security advisory

{
  "id": "db09b8b41775ff7cb98630da45310ed90c71634290cc4da73e7ed0385ae3bf33",
  "url": "https://osv.dev/vulnerability/CVE-2016-6331",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-6331",
    "summary": "ApiParse in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to bypass intended per-title read restrictions via a parse action to api.php.",
    "evidence": "osv:CVE-2016-6331",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2016-6331",
      "aliases": [
        "CVE-2016-6331"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wikimedia/mediawiki",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "1b1588f892b81983d5cd93bea6f5b5d652b2cdf5"
                },
                {
                  "introduced": "365e22ee61035f953b47387af92ef832f09d5982"
                },
                {
                  "last_affected": "758cd9d2371d529450448cdf7eb2f1f6e099cfee"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.23.14"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:1.26.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.26.0"
                      },
                      {
                        "last_affected": "1.26.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:1.26.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.26.1"
                      },
                      {
                        "last_affected": "1.26.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:1.26.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.26.2"
                      },
                      {
                        "last_affected": "1.26.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:1.26.3:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.26.3"
                      },
                      {
                        "last_affected": "1.26.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:1.26.4:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.26.4"
                      },
                      {
                        "last_affected": "1.26.4"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:1.27.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.27.0"
                      },
                      {
                        "last_affected": "1.27.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.26.0",
            "1.26.1",
            "1.26.2",
            "1.26.3",
            "1.26.4",
            "1.27.0",
            "1.23.14",
            "1.27.0-rc.1",
            "1.27.0-rc.0",
            "1.23.13",
            "1.23.12",
            "1.23.11",
            "1.23.10",
            "1.23.9",
            "1.23.8",
            "1.23.7",
            "test-hashar-for-ci",
            "1.23.6",
            "1.23.5",
            "1.23.4",
            "1.23.3",
            "1.23.2",
            "1.23.1",
            "1.23.0",
            "1.23.0-rc.3",
            "1.23.0-rc.2",
            "1.23.0-rc.1",
            "1.23.0rc0",
            "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-2016-6331.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:24.662109264Z",
      "provider": "osv",
      "references": [
        "https://bugzilla.redhat.com/show_bug.cgi?id=1369613",
        "https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html",
        "https://phabricator.wikimedia.org/T115333"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2016-6331",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431189,
  "published_at": "2017-04-20T17:59:00.557+00:00"
}