Security advisory

{
  "id": "a77760d2546d53d20cc97cc8226afde78ecdf11eb4f98e981d5a757b976d9024",
  "url": "https://osv.dev/vulnerability/CVE-2020-15155",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-15155",
    "summary": "baserCMS 4.3.6 and earlier is affected by Cross Site Scripting (XSS) via arbitrary script execution. Admin access is required to exploit this vulnerability. The affected components is toolbar.php. The issue is fixed in version 4.3.7.",
    "evidence": "osv:CVE-2020-15155",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-15155",
      "aliases": [
        "CVE-2020-15155",
        "GHSA-4r3m-j6x5-48m3"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/baserproject/basercms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "dd534bb8c9e8bd23000594e495e73265c3f4a015"
                },
                {
                  "fixed": "94cbfab74c9fd6d04492597a1a684674c3c0e30f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:basercms:basercms:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "4.3.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "94cbfab74c9fd6d04492597a1a684674c3c0e30f"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.3.6",
            "4.3.5",
            "4.3.3",
            "4.3.0",
            "4.2.4",
            "4.2.2",
            "4.1.2",
            "4.1.1",
            "4.1.0.1",
            "4.1.0",
            "4.0.7",
            "4.0.6",
            "4.0.0",
            "3.0.7",
            "3.0.0",
            "basercms-3.0.1",
            "3.0.1",
            "3.0.2",
            "3.0.4",
            "3.0.5.1",
            "3.0.3",
            "4.0.0-beta",
            "3.0.6",
            "3.0.6-beta",
            "3.0.5",
            "basercms-3.0.0",
            "basercms-2.1.2",
            "2.1.2",
            "basercms-2.1.0",
            "2.1.0",
            "basercms-2.0.3",
            "2.0.3",
            "basercms-2.0.2",
            "2.0.2",
            "basercms-2.0.1",
            "2.0.1",
            "basercms-2.0.0",
            "2.0.0",
            "basercms-2.0.0-beta",
            "2.0.0-beta"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15155.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:47.516851147Z",
      "provider": "osv",
      "references": [
        "https://basercms.net/security/20200827",
        "https://github.com/baserproject/basercms/commit/94cbfab74c9fd6d04492597a1a684674c3c0e30f",
        "https://github.com/baserproject/basercms/security/advisories/GHSA-4r3m-j6x5-48m3"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-15155",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383824,
  "published_at": "2020-08-28T22:15:10.563+00:00"
}