Security advisory

{
  "id": "b83ef04a2a7712744904ee40175bb7fa328f6eb6b9728248b305af440d09825b",
  "url": "https://osv.dev/vulnerability/CVE-2020-21088",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-21088",
    "summary": "Cross Site Scripting (XSS) in X2engine X2CRM v7.1 and older allows remote attackers to obtain sensitive information by injecting arbitrary web script or HTML via the \"First Name\" and \"Last Name\" fields in \"/index.php/contacts/create page\"",
    "evidence": "osv:CVE-2020-21088",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-21088",
      "aliases": [
        "CVE-2020-21088"
      ],
      "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/x2engine/x2crm",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "b60fb5c4ae969f59e6d4b9efa2ae72394ed45e60"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:x2engine:x2crm:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "7.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "7.1",
            "6.0",
            "6.6",
            "6.5.2",
            "6.5",
            "6.0.4",
            "6.0.1",
            "5.5",
            "5.4.3",
            "5.4.2",
            "5.4.1",
            "5.4",
            "5.3.1",
            "5.3",
            "5.2.1",
            "5.2",
            "5.0.9",
            "5.0.8",
            "5.0.7",
            "5.0.6",
            "5.0.5",
            "5.0.5b",
            "5.0.4",
            "5.0.3",
            "5.0.3b",
            "5.0.2",
            "5.0b",
            "4.2",
            "4.3",
            "4.3b",
            "4.2b",
            "4.1.7",
            "4.1.6",
            "3.7.5",
            "4.1.6b2",
            "4.1.6b",
            "4.1.5",
            "4.1.4",
            "4.1.4b",
            "4.1.3",
            "4.1.2",
            "4.1.2b",
            "4.1.1",
            "4.1",
            "4.0.2",
            "4.0",
            "3.7.4",
            "3.7.3",
            "3.7.3b",
            "3.7.2",
            "3.7.1",
            "3.7",
            "3.6.3",
            "3.6.2",
            "3.6.1",
            "3.6",
            "3.5.6",
            "3.5.5",
            "3.5.2",
            "3.5.1",
            "3.5",
            "3.4.1",
            "3.4",
            "3.3.2",
            "3.3.1",
            "3.3",
            "3.2",
            "3.1.2",
            "3.1.1",
            "3.1",
            "3.0.2",
            "3.0.1",
            "3.0",
            "2.9.1",
            "2.9",
            "2.8.1",
            "2.8",
            "2.7.2",
            "2.7.1",
            "2.7",
            "2.5.2",
            "2.5",
            "2.2.1",
            "2.2",
            "2.1.1",
            "2.1",
            "2.0",
            "1.6.6",
            "1.6.5.1",
            "1.6.5",
            "1.6.1",
            "1.6",
            "1.5",
            "1.4",
            "1.3",
            "1.2.2",
            "1.2.1",
            "1.2.0",
            "1.1.1",
            "1.1.0",
            "1.0.1",
            "1.0",
            "0.9.10.1",
            "0.9.10"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-21088.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:09.773820856Z",
      "provider": "osv",
      "references": [
        "https://github.com/X2Engine/X2CRM/issues/161",
        "https://github.com/X2Engine/X2CRM/issues/183"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-21088",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383414,
  "published_at": "2021-04-14T14:15:13.21+00:00"
}