Security advisory

{
  "id": "51e53db6815b7bf2d26ca8b34cbcf79a56d9c8b3193b67feb9ff2c7ff254eb93",
  "url": "https://osv.dev/vulnerability/CVE-2021-25921",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-25921",
    "summary": "In OpenEMR, versions 2.7.3-rc1 to 6.0.0 are vulnerable to Stored Cross-Site-Scripting (XSS) due to user input not being validated properly in the `Allergies` section. An attacker could lure an admin to enter a malicious payload and by that initiate the exploit.",
    "evidence": "osv:CVE-2021-25921",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-25921",
      "aliases": [
        "CVE-2021-25921"
      ],
      "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/openemr/openemr",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "4c3f9f5917d765f944cdbf3b9df15375476b3711"
                },
                {
                  "fixed": "0fadc3e592d84bc9dfe9e0403f8bd6e3c7d8427f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:open-emr:openemr:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.7.3"
                      },
                      {
                        "last_affected": "6.0.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "0fadc3e592d84bc9dfe9e0403f8bd6e3c7d8427f"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v6_0_0",
            "v3_0_1",
            "v3_0_0",
            "v2_9_0",
            "v2_8_3",
            "v2_8_2",
            "v2_8_1",
            "v2_8_0",
            "v2_7_3-rc1",
            "v2_7_2",
            "v2_7_2-rc2",
            "v2_7_2-rc1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25921.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:33.543893286Z",
      "provider": "osv",
      "references": [
        "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25921",
        "https://github.com/openemr/openemr/commit/0fadc3e592d84bc9dfe9e0403f8bd6e3c7d8427f"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-25921",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385566,
  "published_at": "2021-03-22T20:15:17.943+00:00"
}