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CVE-2021-25102

Estado: ModificadaMedia (4.7)—

The All In One WP Security & Firewall WordPress plugin before 4.4.11 does not validate, sanitise and escape the redirect_to parameter before using it to redirect user, either via a Location header, or meta url attribute, when the Rename Login Page is active, which could lead to an Arbitrary Redirect as well as Cross-Site Scripting issue. Exploitation of this issue requires the Login Page URL value to be known, which should be hard to guess, reducing the risk

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)

Tipsandtricks-hq — ALL IN ONE WP Security & Firewall

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-25102",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 4.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
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    "cvssMetricV31": [
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          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 4.7,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 1.6
      }
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  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "All In One WP Security & Firewall",
          "versions": [
            {
              "status": "affected",
              "version": "4.4.11",
              "lessThan": "4.4.11",
              "versionType": "custom"
            }
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  ],
  "published": "2022-05-02T16:15:08.093",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/9b8a00a6-622b-4309-bbbf-fe2c7fc9f8b6",
      "tags": [
        "Exploit",
        "Third Party Advisory"
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      "tags": [
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        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "contact@wpscan.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The All In One WP Security & Firewall WordPress plugin before 4.4.11 does not validate, sanitise and escape the redirect_to parameter before using it to redirect user, either via a Location header, or meta url attribute, when the Rename Login Page is active, which could lead to an Arbitrary Redirect as well as Cross-Site Scripting issue. Exploitation of this issue requires the Login Page URL value to be known, which should be hard to guess, reducing the risk"
    },
    {
      "lang": "es",
      "value": "El plugin All In One WP Security & Firewall de WordPress versiones anteriores a 4.4.11, no comprueba, sanea y escapa del parámetro redirect_to antes de usarlo para redirigir al usuario, ya sea por medio de un encabezado Location, o un atributo meta url, cuando la página Rename Login está activa, lo que podría conllevar a un problema de Redireccionamiento Arbitrario así como de tipo Cross-Site Scripting. La explotación de este problema requiere que sea conocido el valor de la URL de la página de inicio de sesión, que debería ser difícil de adivinar, reduciendo el riesgo"
    }
  ],
  "lastModified": "2026-06-17T03:41:27.907",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "70A19BE8-847B-4432-AEAE-DA7D9E2BE950",
              "versionEndExcluding": "4.4.11"
            }
          ],
          "operator": "OR"
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  "sourceIdentifier": "contact@wpscan.com"
}