Cross-site Scripting (XSS) in Source Mode of Editor in ckeditor-wordcount-plugin

{
  "id": "a7f04b31334b99c0a4ebbaee002b03d8c293d5ce395ff892cd346a91e4034d02",
  "url": "https://osv.dev/vulnerability/CVE-2023-37905",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Cross-site Scripting (XSS) in Source Mode of Editor in ckeditor-wordcount-plugin",
    "summary": "ckeditor-wordcount-plugin is an open source WordCount Plugin for CKEditor. It has been discovered that the `ckeditor-wordcount-plugin` plugin for CKEditor4 is susceptible to cross-site scripting when switching to the source code mode. This issue has been addressed in version 1.17.12 of the `ckeditor-wordcount-plugin` plugin and users are advised to upgrade. There are no known workarounds for this vulnerability.",
    "evidence": "osv:CVE-2023-37905",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-37905",
      "aliases": [
        "CVE-2023-37905",
        "GHSA-q9w4-w667-qqj4"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/typo3/typo3",
              "type": "GIT",
              "events": [
                {
                  "introduced": "6a5e2d4097ef0a0e3ea955af93cf83810d6fa234"
                },
                {
                  "fixed": "9eaf8f29875a17b5d48f296d83c1f58b24288b7c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "11.0.0"
                      },
                      {
                        "fixed": "11.5.30"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  }
                ]
              }
            },
            {
              "repo": "https://github.com/w8tcha/ckeditor-wordcount-plugin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "a4b154bdf35b3465320136fcb078f196b437c2f1"
                },
                {
                  "fixed": "0f03b3e5b7c1409998a13aba3a95396e6fa349d8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:ckeditor-wordcount-plugin_project:ckeditor-wordcount-plugin:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.17.12"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "0f03b3e5b7c1409998a13aba3a95396e6fa349d8"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "a4b154bdf35b3465320136fcb078f196b437c2f1"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v11.5.29",
            "v11.5.28",
            "v11.5.27",
            "v11.5.26",
            "v11.5.25",
            "v11.5.24",
            "v11.5.23",
            "v11.5.22",
            "v11.5.21",
            "v11.5.20",
            "v11.5.19",
            "v11.5.18",
            "v11.5.17",
            "v11.5.16",
            "v11.5.15",
            "v11.5.14",
            "v11.5.13",
            "v11.5.12",
            "v11.5.11",
            "v11.5.10",
            "v11.5.9",
            "v11.5.8",
            "v11.5.7",
            "v11.5.6",
            "v11.5.5",
            "v11.5.4",
            "v11.5.3",
            "v11.5.2",
            "v11.5.1",
            "v11.5.0",
            "v11.4.0",
            "v11.3.0",
            "v11.2.0",
            "v11.1.0",
            "v11.0.0",
            "v1.17.10",
            "v1.17.9",
            "v1.17.8",
            "v1.17.6",
            "v1.17.4",
            "v1.17.3",
            "v1.17.2",
            "v1.17",
            "v1.16",
            "v0.13",
            "v1.12",
            "v1.10",
            "v1.09",
            "ceba9c9d46958d1f4c097532a521dc8ef45a5ef5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-37905.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:33.417214373Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/37xxx/CVE-2023-37905.json",
        "https://github.com/TYPO3/typo3/security/advisories/GHSA-m8fw-p3cr-6jqc",
        "https://github.com/w8tcha/CKEditor-WordCount-Plugin/security/advisories/GHSA-q9w4-w667-qqj4",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-37905",
        "https://typo3.org/security/advisory/typo3-core-sa-2023-004",
        "https://github.com/w8tcha/CKEditor-WordCount-Plugin/commit/0f03b3e5b7c1409998a13aba3a95396e6fa349d8",
        "https://github.com/w8tcha/CKEditor-WordCount-Plugin/commit/a4b154bdf35b3465320136fcb078f196b437c2f1"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "GitHub_M",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "10.0.0"
                  },
                  {
                    "fixed": "10.4.39"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StringRangeExpression"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/37xxx/CVE-2023-37905.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-37905",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 500394,
  "published_at": "2023-07-21T19:35:49.656+00:00"
}