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CVE-2021-34666

Estado: ModificadaMedia (6.1)—

El plugin Add Sidebar de WordPress, es vulnerable a un ataque de tipo Cross-Site Scripting Reflejado por medio del parámetro add en el archivo ~/wp_sidebarMenu.php que permite a atacantes inyectar scripts web arbitrario, en versiones hasta 2.0.0 incluyéndola.

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)

ADD Sidebar Project — ADD Sidebar

CWE

Referencias

JSON original (NVD)

Mostrar
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
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              "automatable": "no"
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              "technicalImpact": "partial"
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          "timestamp": "2025-05-05T18:17:34.615439Z"
        }
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          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
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        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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    ],
    "cvssMetricV31": [
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        "cvssData": {
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  "published": "2021-08-16T19:15:15.580",
  "references": [
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "security@wordfence.com",
      "description": [
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    },
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    }
  ],
  "lastModified": "2026-06-17T03:56:20.090",
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