Security advisory

{
  "id": "7637570039be0af1c5d4882b8e499ff736d2f65448dfca4bc0af013471927487",
  "url": "https://osv.dev/vulnerability/CVE-2018-10821",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-10821",
    "summary": "Cross-site scripting (XSS) vulnerability in backend/pages/modify.php in BlackCatCMS 1.3 allows remote authenticated users with the Admin role to inject arbitrary web script or HTML via the search panel.",
    "evidence": "osv:CVE-2018-10821",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-10821",
      "aliases": [
        "CVE-2018-10821"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/blackcatdevelopment/blackcatcms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9b10acc7048ba8b2fd81ef6a18b8fd1004559c74"
                },
                {
                  "last_affected": "9b10acc7048ba8b2fd81ef6a18b8fd1004559c74"
                },
                {
                  "fixed": "a817755828cd0bfd4b87b0eb5cec59ffe57d3c3e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:blackcat-cms:blackcat_cms:1.3:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.3"
                      },
                      {
                        "last_affected": "1.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "a817755828cd0bfd4b87b0eb5cec59ffe57d3c3e"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.3",
            "v1.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-10821.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:41.518531067Z",
      "provider": "osv",
      "references": [
        "https://github.com/BlackCatDevelopment/BlackCatCMS/commit/a817755828cd0bfd4b87b0eb5cec59ffe57d3c3e",
        "https://github.com/BlackCatDevelopment/BlackCatCMS/issues/384"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-10821",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380699,
  "published_at": "2018-06-14T16:29:00.207+00:00"
}