Security advisory

{
  "id": "442a6780872b40449b29e2b05d094917b9f4695e4f0c4d482267c76145af100f",
  "url": "https://osv.dev/vulnerability/CVE-2020-26669",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-26669",
    "summary": "A stored cross-site scripting (XSS) vulnerability was discovered in BigTree CMS 4.4.10 and earlier which allows an authenticated attacker to execute arbitrary web scripts or HTML via the page content to site/index.php/admin/pages/update.",
    "evidence": "osv:CVE-2020-26669",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-26669",
      "aliases": [
        "CVE-2020-26669"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/bigtreecms/bigtree-cms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "045caa749d160c0897688627e929276046856d73"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:bigtreecms:bigtree_cms:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "4.4.10"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.4.10",
            "4.4.9",
            "4.4.8",
            "4.4.7",
            "4.4.6",
            "4.4.5",
            "4.4.4",
            "4.4.3",
            "4.4.2",
            "4.4.1",
            "4.4",
            "4.3.4",
            "4.3.2",
            "4.3.1",
            "4.3",
            "4.2.21",
            "4.2.20",
            "4.2.19",
            "4.2.18",
            "4.2.17",
            "4.2.16",
            "4.2.15",
            "4.2.14",
            "4.2.13",
            "4.2.12",
            "4.2.11",
            "4.2.10",
            "4.2.9",
            "4.2.8",
            "4.2",
            "v4.0b3",
            "4.0beta2",
            "v4.0b1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26669.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:39.308147615Z",
      "provider": "osv",
      "references": [
        "https://www.exploit-db.com/exploits/48831"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-26669",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 434637,
  "published_at": "2021-06-01T15:15:07.493+00:00"
}