{
  "id": "CVE-2021-4416",
  "sourceIdentifier": "security@wordfence.com",
  "published": "2023-07-12T04:15:11.337",
  "lastModified": "2024-11-21T06:37:40.253",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The wp-mpdf plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.5.1. This is due to missing or incorrect nonce validation on the mpdf_admin_savepost() function. This makes it possible for unauthenticated attackers to save post data via a forged request granted they can trick a site administrator into performing an action such as clicking on a link."
    },
    {
      "lang": "es",
      "value": "El plugin wp-mpdf para WordPress es vulnerable a ataques de tipo Cross-Site Request Forgery en versiones hasta la 3.5.1 inclusive. Esto es debido a la falta o incorrecta validaci\u00f3n nonce en la funci\u00f3n \"mpdf_admin_savepost()\". Esto hace posible que atacantes no autenticados guarden los datos POST a trav\u00e9s de una petici\u00f3n manipulada, lo que les permite enga\u00f1ar a un administrador del sitio para que realice una acci\u00f3n, como hacer clic en un enlace. "
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "security@wordfence.com",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4
      }
    ]
  },
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:wp-mpdf_project:wp-mpdf:*:*:*:*:*:wordpress:*:*",
              "versionEndIncluding": "3.5.1",
              "matchCriteriaId": "7618F4BD-CC2A-4A81-AF93-AC216217C2C0"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/",
      "source": "security@wordfence.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/",
      "source": "security@wordfence.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/",
      "source": "security@wordfence.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/",
      "source": "security@wordfence.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/",
      "source": "security@wordfence.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/",
      "source": "security@wordfence.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/",
      "source": "security@wordfence.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://plugins.trac.wordpress.org/changeset/2549363/wp-mpdf/trunk/wp-mpdf.php",
      "source": "security@wordfence.com",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/c47386ee-25c8-4a77-92e8-5a82afc9c826?source=cve",
      "source": "security@wordfence.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://plugins.trac.wordpress.org/changeset/2549363/wp-mpdf/trunk/wp-mpdf.php",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/c47386ee-25c8-4a77-92e8-5a82afc9c826?source=cve",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}