fkie_cve-2025-53480
Vulnerability from fkie_nvd
Published
2025-07-08 15:15
Modified
2025-07-08 21:15
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
The CheckUser extension’s Special:Investigate page has a vulnerability in the Account information tab, where specific internationalized messages are rendered without proper escaping. Attackers can exploit this by appending ?uselang=x-xss to the URL, causing reflected XSS when the UI renders affected message keys. This issue affects Mediawiki - CheckUser extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
References
c4f26cc8-17ff-4c99-b5e2-38fc1793eacchttps://gerrit.wikimedia.org/r/q/I777fc55fef15c3b00df0db268af2b64cb2d6e381
c4f26cc8-17ff-4c99-b5e2-38fc1793eacchttps://phabricator.wikimedia.org/T394700
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The CheckUser extension\u2019s Special:Investigate page has a vulnerability in the Account information tab, where specific internationalized messages are rendered without proper escaping. Attackers can exploit this by appending ?uselang=x-xss to the URL, causing reflected XSS when the UI renders affected message keys.\n\n\n\n\nThis issue affects Mediawiki - CheckUser extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2."
    },
    {
      "lang": "es",
      "value": "La p\u00e1gina \"Especial:Investigar\" de la extensi\u00f3n CheckUser presenta una vulnerabilidad en la pesta\u00f1a \"Informaci\u00f3n de la cuenta\", donde se muestran mensajes internacionalizados espec\u00edficos sin el escape adecuado. Los atacantes pueden explotar esto a\u00f1adiendo \"?uselang=x-xss\" a la URL, lo que provoca un XSS reflejado cuando la interfaz de usuario muestra las claves de los mensajes afectados. Este problema afecta a Mediawiki - extensi\u00f3n CheckUser: desde la versi\u00f3n 1.39.X hasta la 1.39.13, desde la versi\u00f3n 1.42.X hasta la 1.42.7, desde la versi\u00f3n 1.43.X hasta la 1.43.2."
    }
  ],
  "id": "CVE-2025-53480",
  "lastModified": "2025-07-08T21:15:28.227",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-07-08T15:15:29.720",
  "references": [
    {
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
      "url": "https://gerrit.wikimedia.org/r/q/I777fc55fef15c3b00df0db268af2b64cb2d6e381"
    },
    {
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
      "url": "https://phabricator.wikimedia.org/T394700"
    }
  ],
  "sourceIdentifier": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
      "type": "Secondary"
    }
  ]
}


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