Security advisory

{
  "id": "6aa8e84e2b6f660cf7057c95c8cdbeb5270ddd285dc8af08d1e629a451e4c05e",
  "url": "https://osv.dev/vulnerability/CVE-2021-31778",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-31778",
    "summary": "The media2click (aka 2 Clicks for External Media) extension 1.x before 1.3.3 for TYPO3 allows XSS by a backend user account.",
    "evidence": "osv:CVE-2021-31778",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-31778",
      "aliases": [
        "CVE-2021-31778",
        "GHSA-xpxm-pf7g-2534"
      ],
      "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/ghermens/media2click",
              "type": "GIT",
              "events": [
                {
                  "introduced": "481a067e3eea5a509a7c8c66ac3a59d49650d087"
                },
                {
                  "fixed": "e8ad5d3b5fbc64961eb4dfd1faefadcada385f98"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:media2click_project:media2click:*:*:*:*:*:typo3:*:*",
                    "range": [
                      {
                        "introduced": "1.0.0"
                      },
                      {
                        "fixed": "1.3.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.3.2",
            "1.3.1",
            "1.3.0",
            "1.2.1",
            "1.2.0",
            "1.1.2",
            "1.1.1",
            "1.1.0",
            "1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-31778.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:18.440211835Z",
      "provider": "osv",
      "references": [
        "https://typo3.org/security/advisory/typo3-ext-sa-2021-004"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-31778",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429768,
  "published_at": "2021-04-28T07:15:07.533+00:00"
}