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CVE-2012-5223

Estado: ModificadaAlta (7.5)—💥 Exploit

The proc_deutf function in includes/functions_vbseocp_abstract.php in vBSEO 3.5.0, 3.5.1, 3.5.2, 3.6.0, and earlier allows remote attackers to insert and execute arbitrary PHP code via "complex curly syntax" in the char_repl parameter, which is inserted into a regular expression that is processed by the preg_replace function with the eval switch.

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).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Tecnologías afectadas (1)

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2012-5223",
  "cveTags": [],
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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  "published": "2012-10-01T20:55:03.987",
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      "url": "http://osvdb.org/78508",
      "source": "cve@mitre.org"
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          "value": "CWE-94"
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    },
    {
      "lang": "es",
      "value": "La función proc_deutf en includes/functions_vbseocp_abstract.php en vBSEO v3.5.0, v3.5.1, v3.5.2, v3.6.0, y anteriores permite a atacantes remotos insertar y ejecutar código PHP a través \"complex curly syntax\" en el parámetro char_repl, el cual es insertado en una expresión regular que es procesada por la función preg_replace con el modificador eval."
    }
  ],
  "lastModified": "2026-06-16T23:46:28.190",
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}