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CVE-2025-53487

Estado: AplazadaMedia (5.4)—

The ApprovedRevs extension for MediaWiki is vulnerable to stored XSS in multiple locations where system messages are inserted into raw HTML without proper escaping. Attackers can exploit this by injecting JavaScript payloads via the uselang=x-xss language override, which causes crafted message keys to be rendered unescaped.

This issue affects Mediawiki - ApprovedRevs 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.

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)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Mediawiki — ApprovedrevsAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-53487",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-53487",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-07-07T19:15:46.401420Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
      "affectedData": [
        {
          "vendor": "Wikimedia Foundation",
          "product": "Mediawiki - ApprovedRevs extension",
          "versions": [
            {
              "status": "affected",
              "version": "1.39.x",
              "lessThan": "1.39.13",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "1.42.x",
              "lessThan": "1.42.7",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "1.43.x",
              "lessThan": "1.43.2",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-07-07T16:15:25.623",
  "references": [
    {
      "url": "https://gerrit.wikimedia.org/r/q/Ifcab085111e7898da485a5e2ae287fee4e6d167b",
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"
    },
    {
      "url": "https://phabricator.wikimedia.org/T394383",
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The ApprovedRevs extension for MediaWiki is vulnerable to stored XSS in multiple locations where system messages are inserted into raw HTML without proper escaping. Attackers can exploit this by injecting JavaScript payloads via the uselang=x-xss language override, which causes crafted message keys to be rendered unescaped.\n\n\n\n\nThis issue affects Mediawiki - ApprovedRevs 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 extensión ApprovedRevs para MediaWiki es vulnerable a XSS almacenado en varias ubicaciones donde los mensajes del sistema se insertan en HTML sin formato sin el escape adecuado. Los atacantes pueden explotar esto inyectando payloads de JavaScript mediante la sobreescritura de lenguaje uselang=x-xss, lo que provoca que las claves de mensaje creadas se representen sin escape. Este problema afecta a Mediawiki - extensión ApprovedRevs: de la versión 1.39.X a la 1.39.13, de la versión 1.42.X a la 1.42.7 y de la versión 1.43.X a la 1.43.2."
    }
  ],
  "lastModified": "2026-06-17T09:38:18.167",
  "sourceIdentifier": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"
}