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CVE-2021-34626

Estado: ModificadaMedia (4.3)—

A vulnerability in the deleteCustomType function of the WP Upload Restriction WordPress plugin allows low-level authenticated users to delete custom extensions added by administrators. This issue affects versions 2.2.3 and prior.

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)

Wp-upload-restriction Project — Wp-upload-restriction

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-34626",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      },
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "integrityImpact": "LOW",
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          "attackComplexity": "LOW",
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          "confidentialityImpact": "NONE"
        },
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  },
  "affected": [
    {
      "source": "security@wordfence.com",
      "affectedData": [
        {
          "vendor": "WP Upload Restriction",
          "product": "WP Upload Restriction",
          "versions": [
            {
              "status": "affected",
              "version": "2.2.3",
              "versionType": "custom",
              "lessThanOrEqual": "2.2.3"
            }
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        }
      ]
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  ],
  "published": "2021-07-07T13:15:08.833",
  "references": [
    {
      "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34626",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "security@wordfence.com"
    },
    {
      "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34626",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@wordfence.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
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    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the deleteCustomType function of the WP Upload Restriction WordPress plugin allows low-level authenticated users to delete custom extensions added by administrators. This issue affects versions 2.2.3 and prior."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la función deleteCustomType del plugin WP Upload Restriction de WordPress, permite a usuarios autenticados de bajo nivel eliminar extensiones personalizadas agregadas por los administradores. Este problema afecta a las versiones 2.2.3 y anteriores"
    }
  ],
  "lastModified": "2026-06-17T03:56:15.417",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
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              "vulnerable": true,
              "matchCriteriaId": "53D7EE62-3C94-485C-9A07-9CBFBD1FD2FE",
              "versionEndIncluding": "2.2.3"
            }
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        }
      ]
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  ],
  "sourceIdentifier": "security@wordfence.com"
}