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CVE-2021-20780

Estado: ModificadaAlta (8.8)—

Cross-site request forgery (CSRF) vulnerability in WPCS - WordPress Currency Switcher 1.1.6 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.

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-currency — Wordpress Currency Switcher

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-20780",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "realmag777",
          "product": "WPCS - WordPress Currency Switcher",
          "versions": [
            {
              "status": "affected",
              "version": "1.1.6 and earlier"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-07-07T08:15:07.970",
  "references": [
    {
      "url": "https://jvn.jp/en/jp/JVN91372527/index.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://pluginus.net/",
      "tags": [
        "Product"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://wordpress.org/plugins/currency-switcher/",
      "tags": [
        "Product",
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://jvn.jp/en/jp/JVN91372527/index.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://pluginus.net/",
      "tags": [
        "Product"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://wordpress.org/plugins/currency-switcher/",
      "tags": [
        "Product",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cross-site request forgery (CSRF) vulnerability in WPCS - WordPress Currency Switcher 1.1.6 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de tipo Cross-site request forgery (CSRF) en WPCS - WordPress Currency Switcher versiones 1.1.6 y anteriores, permite a atacantes remotos secuestrar la autenticación de los administradores por medio de vectores no especificados"
    }
  ],
  "lastModified": "2026-06-17T03:34:26.457",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wp-currency:wordpress_currency_switcher:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "22D3D699-FAE0-405A-9BF2-818A75C423F8",
              "versionEndIncluding": "1.1.6"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}