CVE-2021-4301

Estado: ModificadaCrítica (9.8)—

A vulnerability was found in slackero phpwcms up to 1.9.26 and classified as critical. Affected by this issue is some unknown functionality. The manipulation of the argument $phpwcms['db_prepend'] leads to sql injection. The attack may be launched remotely. Upgrading to version 1.9.27 is able to address this issue. The patch is identified as 77dafb6a8cc1015f0777daeb5792f43beef77a9d. It is recommended to upgrade the affected component. VDB-217418 is the identifier assigned to this vulnerability.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 9.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.69%
Percentil entre todas las CVEs puntuadas: 51
Fecha de la puntuación: 7/10/2026

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)

Phpwcms — Phpwcms

CWE

CWE-89
CWE-89

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2021-4301",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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    "cvssMetricV31": [
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
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          "confidentialityImpact": "LOW"
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        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "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",
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          "availabilityImpact": "HIGH",
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          "confidentialityImpact": "HIGH"
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  },
  "affected": [
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      "source": "cna@vuldb.com",
      "affectedData": [
        {
          "vendor": "slackero",
          "product": "phpwcms",
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            {
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              "version": "1.9.6"
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            {
              "status": "affected",
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            {
              "status": "affected",
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            {
              "status": "affected",
              "version": "1.9.9"
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            {
              "status": "affected",
              "version": "1.9.10"
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              "status": "affected",
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              "status": "affected",
              "version": "1.9.14"
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            {
              "status": "affected",
              "version": "1.9.15"
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              "status": "affected",
              "version": "1.9.16"
            },
            {
              "status": "affected",
              "version": "1.9.17"
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            {
              "status": "affected",
              "version": "1.9.18"
            },
            {
              "status": "affected",
              "version": "1.9.19"
            },
            {
              "status": "affected",
              "version": "1.9.20"
            },
            {
              "status": "affected",
              "version": "1.9.21"
            },
            {
              "status": "affected",
              "version": "1.9.22"
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              "version": "1.9.23"
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              "version": "1.9.24"
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              "status": "affected",
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              "status": "affected",
              "version": "1.9.26"
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    }
  ],
  "published": "2023-01-07T22:15:08.800",
  "references": [
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      "url": "https://github.com/slackero/phpwcms/commit/77dafb6a8cc1015f0777daeb5792f43beef77a9d",
      "tags": [
        "Patch"
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    },
    {
      "url": "https://github.com/slackero/phpwcms/releases/tag/v1.9.27",
      "tags": [
        "Release Notes"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/?ctiid.217418",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cna@vuldb.com"
    },
    {
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      "tags": [
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        "VDB Entry"
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      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/slackero/phpwcms/commit/77dafb6a8cc1015f0777daeb5792f43beef77a9d",
      "tags": [
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      "url": "https://github.com/slackero/phpwcms/releases/tag/v1.9.27",
      "tags": [
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      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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      "tags": [
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        "VDB Entry"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "https://vuldb.com/?id.217418",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-89"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-89"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was found in slackero phpwcms up to 1.9.26 and classified as critical. Affected by this issue is some unknown functionality. The manipulation of the argument $phpwcms['db_prepend'] leads to sql injection. The attack may be launched remotely. Upgrading to version 1.9.27 is able to address this issue. The patch is identified as 77dafb6a8cc1015f0777daeb5792f43beef77a9d. It is recommended to upgrade the affected component. VDB-217418 is the identifier assigned to this vulnerability."
    },
    {
      "lang": "es",
      "value": "Se encontró una vulnerabilidad en el repositorio slackero phpwcms de Github en sus versiones hasta la 1.9.26 y se clasificó como crítica. Una función desconocida es afectada por este problema. La manipulación del argumento $phpwcms['db_prepend'] conduce a la inyección de SQL. El ataque puede lanzarse de forma remota. La actualización a la versión 1.9.27 puede solucionar este problema. El parche se identifica como 77dafb6a8cc1015f0777daeb5792f43beef77a9d. Se recomienda actualizar el componente afectado. VDB-217418 es el identificador asignado a esta vulnerabilidad."
    }
  ],
  "lastModified": "2026-06-17T04:19:27.500",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:phpwcms:phpwcms:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C863174F-8801-4135-B74F-CEFF6D5140C3",
              "versionEndExcluding": "1.9.27"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cna@vuldb.com"
}