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CVE-2016-5838

Estado: ModificadaAlta (7.5)—

WordPress en versiones anteriores a 4.5.3 permite a atacantes remotos eludir las restricciones destinadas al cambio de contraseña aprovechando el conocimiento de una cookie.

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)

Wordpress — Wordpress

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2016-5838",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@debian.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-06-29T14:10:09.867",
  "references": [
    {
      "url": "http://www.debian.org/security/2016/dsa-3639",
      "source": "security@debian.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/91367",
      "source": "security@debian.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1036163",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://codex.wordpress.org/Version_4.5.3",
      "source": "security@debian.org"
    },
    {
      "url": "https://wordpress.org/news/2016/06/wordpress-4-5-3/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://wpvulndb.com/vulnerabilities/8524",
      "source": "security@debian.org"
    },
    {
      "url": "http://www.debian.org/security/2016/dsa-3639",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/91367",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1036163",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://codex.wordpress.org/Version_4.5.3",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://wordpress.org/news/2016/06/wordpress-4-5-3/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://wpvulndb.com/vulnerabilities/8524",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-255"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "WordPress before 4.5.3 allows remote attackers to bypass intended password-change restrictions by leveraging knowledge of a cookie."
    },
    {
      "lang": "es",
      "value": "WordPress en versiones anteriores a 4.5.3 permite a atacantes remotos eludir las restricciones destinadas al cambio de contraseña aprovechando el conocimiento de una cookie."
    }
  ],
  "lastModified": "2026-06-17T00:50:07.340",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6FD1C123-A5DE-4665-BC7B-46996C86E185",
              "versionEndIncluding": "4.5.2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@debian.org"
}