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CVE-2021-25070

Estado: ModificadaCrítica (9.8)—

The Block Bad Bots WordPress plugin before 6.88 does not properly sanitise and escape the User Agent before using it in a SQL statement to record logs, leading to an SQL Injection issue

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Stopbadbots — Block AND Stop BAD Bots

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-25070",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Block Bad Bots and Stop Bad Bots Crawlers and Spiders and Anti Spam Protection",
          "versions": [
            {
              "status": "affected",
              "version": "6.88",
              "lessThan": "6.88",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-03-28T18:15:08.630",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/e00b2946-15e5-4458-9b13-2e272630a36f",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/e00b2946-15e5-4458-9b13-2e272630a36f",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "contact@wpscan.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-89"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Block Bad Bots WordPress plugin before 6.88 does not properly sanitise and escape the User Agent before using it in a SQL statement to record logs, leading to an SQL Injection issue"
    },
    {
      "lang": "es",
      "value": "El plugin Block Bad Bots de WordPress versiones anteriores a 6.88, no sanea ni escapa del agente de usuario antes de usarlo en una sentencia SQL para registrar los registros, conllevando a un problema de inyección SQL"
    }
  ],
  "lastModified": "2026-06-17T03:41:24.560",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:stopbadbots:block_and_stop_bad_bots:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C6FDCB15-A89B-4E2F-8449-43E1FBE72E52",
              "versionEndExcluding": "6.88"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}