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CVE-2023-0926

Estado: AnalizadaMedia (5.4)—

The Custom Permalinks plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.6.0 due to insufficient input sanitization and output escaping on tag names. This allows authenticated users, with editor-level permissions or greater to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page, even when 'unfiltered_html' has been disabled.

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)

Samiahmedsiddiqui — Custom Permalinks

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2023-0926",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2023-0926",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
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              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2024-08-26T13:19:14.650978Z"
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    "cvssMetricV31": [
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          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 1.3
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
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          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
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  ],
  "published": "2024-08-24T02:15:03.993",
  "references": [
    {
      "url": "https://github.com/samiahmedsiddiqui/custom-permalinks/pull/96",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "source": "security@wordfence.com"
    },
    {
      "url": "https://plugins.trac.wordpress.org/changeset/3138206/custom-permalinks/trunk/admin/class-custom-permalinks-post-types-table.php",
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      "source": "security@wordfence.com"
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      "url": "https://wordpress.org/plugins/custom-permalinks/",
      "tags": [
        "Product"
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    },
    {
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/97f8549a-292d-4a6d-8ec0-550467e5cf0f?source=cve",
      "tags": [
        "Third Party Advisory"
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      "source": "security@wordfence.com"
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  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@wordfence.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
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      ]
    },
    {
      "type": "Primary",
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      "description": [
        {
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          "value": "CWE-79"
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    }
  ],
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    {
      "lang": "en",
      "value": "The Custom Permalinks plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.6.0 due to insufficient input sanitization and output escaping on tag names. This allows authenticated users, with editor-level permissions or greater to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page, even when 'unfiltered_html' has been disabled."
    },
    {
      "lang": "es",
      "value": "El complemento Custom Permalinks para WordPress es vulnerable a Cross-Site Scripting Almacenado en versiones hasta la 2.6.0 incluida debido a una desinfección de entrada insuficiente y a un escape de salida en los nombres de las etiquetas. Esto permite a los usuarios autenticados, con permisos de nivel de editor o superiores, inyectar scripts web arbitrarios en páginas que se ejecutarán cada vez que un usuario acceda a una página inyectada, incluso cuando 'unfiltered_html' esté deshabilitado."
    }
  ],
  "lastModified": "2026-06-17T05:26:39.213",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:samiahmedsiddiqui:custom_permalinks:*:*:*:*:*:wordpress:*:*",
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              "versionEndExcluding": "2.7.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@wordfence.com"
}