Security advisory

{
  "id": "85de03cbb1355e98a8b8588a569638893c0f995d6056f7d47cd00487b4528731",
  "url": "https://osv.dev/vulnerability/CVE-2018-20726",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-20726",
    "summary": "A cross-site scripting (XSS) vulnerability exists in host.php (via tree.php) in Cacti before 1.2.0 due to lack of escaping of unintended characters in the Website Hostname field for Devices.",
    "evidence": "osv:CVE-2018-20726",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-20726",
      "aliases": [
        "CVE-2018-20726"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/cacti/cacti",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "d4777377811f390fcdd84a8a805677e6435b27a0"
                },
                {
                  "fixed": "80c2a88fb2afb93f87703ba4641f9970478c102d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:cacti:cacti:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.2.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "80c2a88fb2afb93f87703ba4641f9970478c102d"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "release/1.1.38",
            "release/1.2.0-beta4",
            "release/1.2.0-beta3",
            "release/1.2.0-beta2",
            "release/1.2.0-beta1",
            "release/1.1.37",
            "release/1.1.36",
            "release/1.1.35",
            "release/1.1.34",
            "release/1.1.33",
            "release/1.1.32",
            "release/1.1.31",
            "release/1.1.30",
            "release/1.1.29",
            "release/1.1.28",
            "release/1.1.27",
            "release/1.1.26",
            "release/1.1.25",
            "release/1.1.24",
            "release/1.1.23",
            "release/1.1.22",
            "release/1.1.21",
            "release/1.1.20",
            "release/1.1.19",
            "release/1.1.18",
            "release/1.1.17",
            "release/1.1.16",
            "release/1.1.15",
            "release/1.1.14",
            "release/1.1.13",
            "release/1.1.12",
            "release/1.1.11",
            "release/1.1.8",
            "release/1.1.7",
            "release/1.1.6",
            "release/1.1.5",
            "release/1.1.4",
            "release/1.1.3",
            "release/1.1.2",
            "release/1.1.1",
            "release/1.1.0",
            "release/1.0.6",
            "release/1.0.5",
            "release/1.0.4",
            "release/1.0.3",
            "release/1.0.2",
            "release/1.0.1",
            "release/1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20726.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:54.511402649Z",
      "provider": "osv",
      "references": [
        "https://github.com/Cacti/cacti/blob/develop/CHANGELOG",
        "https://github.com/Cacti/cacti/issues/2213",
        "https://github.com/Cacti/cacti/commit/80c2a88fb2afb93f87703ba4641f9970478c102d"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-20726",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380966,
  "published_at": "2019-01-16T16:29:00.697+00:00"
}