{
  "id": "CVE-2021-30458",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-04-09T07:15:16.340",
  "lastModified": "2021-12-08T20:38:50.337",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Wikimedia Parsoid before 0.11.1 and 0.12.x before 0.12.2. An attacker can send crafted wikitext that Utils/WTUtils.php will transform by using a <meta> tag, bypassing sanitization steps, and potentially allowing for XSS."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en Wikimedia Parsoid versiones anteriores a 0.11.1 y versiones 0.12.x anteriores a 0.12.2.&#xa0;Un atacante puede enviar wikitexto dise\u00f1ado que el archivo Utils/WTUtils.php transformar\u00e1 mediante el uso de una etiqueta (meta), omitiendo los pasos de saneamiento y potencialmente permitiendo un ataque de tipo XSS"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:wikimedia:parsoid:*:*:*:*:*:node.js:*:*",
              "versionEndExcluding": "0.11.1",
              "matchCriteriaId": "408D1321-296E-4CB8-A98C-12CE8392C0A5"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:wikimedia:parsoid:*:*:*:*:*:node.js:*:*",
              "versionStartIncluding": "0.12.0",
              "versionEndExcluding": "0.12.2",
              "matchCriteriaId": "C593714B-0C34-47D4-A4B0-F8FDA2B31EDF"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://phabricator.wikimedia.org/T279451",
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://security.gentoo.org/glsa/202107-40",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.mediawiki.org/wiki/Parsoid",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}