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CVE-2019-16528

Estado: ModificadaAlta (7.5)—

An issue was discovered in the AbuseFilter extension for MediaWiki. includes/special/SpecialAbuseLog.php allows attackers to obtain sensitive information, such as deleted/suppressed usernames and summaries, from AbuseLog revision data. This affects REL1_32 and REL1_33.

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)

Mediawiki — Abusefilter

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-16528",
  "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:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-03-20T21:15:15.907",
  "references": [
    {
      "url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538051/",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538053/",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538054/",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://phabricator.wikimedia.org/T224203",
      "tags": [
        "Permissions Required"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538051/",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538053/",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538054/",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://phabricator.wikimedia.org/T224203",
      "tags": [
        "Permissions Required"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-532"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in the AbuseFilter extension for MediaWiki. includes/special/SpecialAbuseLog.php allows attackers to obtain sensitive information, such as deleted/suppressed usernames and summaries, from AbuseLog revision data. This affects REL1_32 and REL1_33."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema en la extensión AbuseFilter para MediaWiki. El archivo includes/special/SpecialAbuseLog.php permite a atacantes obtener información confidencial, tal y como nombres de usuario eliminados y suprimidos y resúmenes, desde los datos de revisión de AbuseLog. Esto afecta a REL1_32 y REL1_33."
    }
  ],
  "lastModified": "2026-06-17T02:22:22.240",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mediawiki:abusefilter:1.32:*:*:*:*:mediawiki:*:*",
              "vulnerable": true,
              "matchCriteriaId": "50A3D21F-FDB2-427D-AF50-A4E15D2C3915"
            },
            {
              "criteria": "cpe:2.3:a:mediawiki:abusefilter:1.33:*:*:*:*:mediawiki:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2B857B10-01B8-44D6-8078-EA49390BD63A"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}