Fides: DOM-based XSS vulnerability in fides.js via fides_description override

{
  "id": "52f732f52119bd5019214b9ca91a4cba353939fc3b581a8e310873b18bb09b5c",
  "url": "https://osv.dev/vulnerability/CVE-2026-44541",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Fides: DOM-based XSS vulnerability in fides.js via fides_description override",
    "summary": "Fides is an open-source privacy engineering platform. From version 2.33.0 to before version 2.84.5, there is a DOM-based XSS vulnerability in fides.js via the fides_description override. This issue has been patched in version 2.84.5.",
    "evidence": "osv:CVE-2026-44541",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-44541",
      "aliases": [
        "CVE-2026-44541",
        "GHSA-5qrq-9645-g5g2",
        "PYSEC-2026-2470"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ethyca/fides",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d0c2893d6f00932504e8da16bce776d5cb17492a"
                },
                {
                  "fixed": "67e43b10b1096c7f84d5c0eeba08ee3b7846b7cd"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "2.33.0"
                      },
                      {
                        "fixed": "2.84.5"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "fixed": "67e43b10b1096c7f84d5c0eeba08ee3b7846b7cd"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "67e43b10b1096c7f84d5c0eeba08ee3b7846b7cd"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "2.84.5"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.84.5"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44541.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:29.218174664Z",
      "provider": "osv",
      "references": [
        "https://github.com/ethyca/fides/releases/tag/2.84.5",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44541.json",
        "https://github.com/ethyca/fides/security/advisories/GHSA-5qrq-9645-g5g2",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-44541",
        "https://github.com/ethyca/fides/commit/67e43b10b1096c7f84d5c0eeba08ee3b7846b7cd"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44541.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-44541",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 496234,
  "published_at": "2026-06-08T20:01:54.675+00:00"
}