Security advisory

{
  "id": "b1c7728070d2cb7efcb9b4b7ccd85a802d095e86e74e2bcbcc4095b4dbd35fb6",
  "url": "https://osv.dev/vulnerability/CVE-2017-20174",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-20174",
    "summary": "A vulnerability was found in bastianallgeier Kirby Webmentions Plugin and classified as problematic. Affected by this issue is some unknown functionality. The manipulation leads to injection. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The patch is identified as 55bedea78ae9af916a9a41497bd9996417851502. It is recommended to apply a patch to fix this issue. VDB-218894 is the identifier assigned to this vulnerability.",
    "evidence": "osv:CVE-2017-20174",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2017-20174",
      "aliases": [
        "CVE-2017-20174"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/bastianallgeier/kirby-webmentions",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "55bedea78ae9af916a9a41497bd9996417851502"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "55bedea78ae9af916a9a41497bd9996417851502"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-20174.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:32.310442387Z",
      "provider": "osv",
      "references": [
        "https://vuldb.com/?id.218894",
        "https://vuldb.com/?ctiid.218894",
        "https://github.com/bastianallgeier/kirby-webmentions/commit/55bedea78ae9af916a9a41497bd9996417851502"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:getkirby:webmentions:*:*:*:*:*:kirby:*:*"
            ],
            "vendor_product": "getkirby:webmentions",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2017-02-01"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2017-20174",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381820,
  "published_at": "2023-01-19T08:15:12.62+00:00"
}