Security advisory

{
  "id": "2ba67e6615c9aae7b360aa54391bc8893319f7415e77ab25dab60b1d5dba937a",
  "url": "https://osv.dev/vulnerability/CVE-2018-20837",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-20837",
    "summary": "include/admin/Menu/Ajax.php in Typesetter 5.1 has index.php/Admin/Menu/Ajax?cmd=AddHidden title XSS.",
    "evidence": "osv:CVE-2018-20837",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-20837",
      "aliases": [
        "CVE-2018-20837"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/typesetter/typesetter",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d02debf46bf934ede31d60cafe27976ec344869c"
                },
                {
                  "last_affected": "d02debf46bf934ede31d60cafe27976ec344869c"
                },
                {
                  "fixed": "fd637e2919e7f77c498a91a8e9d353f8e12afc9a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:typesettercms:typesetter:5.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.1"
                      },
                      {
                        "last_affected": "5.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "fd637e2919e7f77c498a91a8e9d353f8e12afc9a"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.1",
            "v5.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20837.json"
          }
        }
      ],
      "modified": "2026-10-20T10:48:04.187532128Z",
      "provider": "osv",
      "references": [
        "https://github.com/Typesetter/Typesetter/commit/fd637e2919e7f77c498a91a8e9d353f8e12afc9a",
        "https://www.netsparker.com/web-applications-advisories/ns-18-026-reflected-cross-site-scripting-in-typesetter/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-20837",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380001,
  "published_at": "2019-05-09T22:29:00.23+00:00"
}