LeadConnector < 3.0.22 - Unauthenticated Rest Call

The LeadConnector WordPress plugin before 3.0.22 does not have authorization in a REST route, allowing unauthenticated users to call it and overwrite existing data

Problem type

CWE-862 Missing Authorization

Affected products

Unknown

LeadConnector

< 3.0.22 - AFFECTED

References

wpscan.com

https://wpscan.com/vulnerability/9b88be70-b5cc-4a3f-a871-64d61cb02076/

exploitvdb-entrytechnical-description

JSON source

https://cveawg.mitre.org/api/cve/CVE-2026-1890

Click to expand

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-1890",
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "dateUpdated": "2026-03-26T13:33:43.195Z",
    "dateReserved": "2026-02-04T14:26:21.828Z",
    "datePublished": "2026-03-26T06:00:09.659Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan",
        "dateUpdated": "2026-03-26T06:00:09.659Z"
      },
      "title": "LeadConnector < 3.0.22 - Unauthenticated Rest Call",
      "descriptions": [
        {
          "lang": "en",
          "value": "The LeadConnector WordPress plugin before 3.0.22 does not have authorization in a REST route, allowing unauthenticated users to call it and overwrite existing data"
        }
      ],
      "affected": [
        {
          "vendor": "Unknown",
          "product": "LeadConnector",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "3.0.22"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-862 Missing Authorization",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://wpscan.com/vulnerability/9b88be70-b5cc-4a3f-a871-64d61cb02076/",
          "tags": [
            "exploit",
            "vdb-entry",
            "technical-description"
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "yiğit ibrahim sağlam",
          "type": "finder"
        },
        {
          "lang": "en",
          "value": "WPScan",
          "type": "coordinator"
        }
      ]
    },
    "adp": [
      {
        "providerMetadata": {
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP",
          "dateUpdated": "2026-03-26T13:33:43.195Z"
        },
        "title": "CISA ADP Vulnrichment",
        "metrics": [
          {
            "cvssV3_1": {
              "version": "3.1",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
              "attackVector": "NETWORK",
              "attackComplexity": "LOW",
              "privilegesRequired": "NONE",
              "userInteraction": "NONE",
              "scope": "UNCHANGED",
              "confidentialityImpact": "NONE",
              "integrityImpact": "LOW",
              "availabilityImpact": "NONE",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM"
            }
          },
          {}
        ]
      }
    ]
  }
}