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CVE-2018-8820

Status: ModifiedHigh (7.5)—💥 PoC

An issue was discovered in Square 9 GlobalForms 6.2.x. A Time Based SQL injection vulnerability in the "match" parameter allows remote authenticated attackers to execute arbitrary SQL commands. It is possible to upgrade access to full server compromise via xp_cmdshell. In some cases, the authentication requirement for the attack can be met by sending the default admin credentials.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

💥 Public exploits

Exploit code or detection templates are publicly available. This is not the same as confirmed active exploitation (KEV), but it raises the risk: patch with priority.

⚠️ GitHub proofs of concept are not verified: some are fake or contain malware. Never run them outside an isolated lab.

Affected technologies (1)

Square-9 — Globalforms

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2018-8820",
  "cveTags": [],
  "metrics": {
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
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          "privilegesRequired": "LOW",
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  "affected": [
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      "lang": "en",
      "value": "An issue was discovered in Square 9 GlobalForms 6.2.x. A Time Based SQL injection vulnerability in the \"match\" parameter allows remote authenticated attackers to execute arbitrary SQL commands. It is possible to upgrade access to full server compromise via xp_cmdshell. In some cases, the authentication requirement for the attack can be met by sending the default admin credentials."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en Square 9 GlobalForms 6.2.x. Una vulnerabilidad de inyección SQL basada en tiempo en el parámetro \"match\" permite que atacantes remotos autenticados ejecuten comandos SQL arbitrarios. Es posible actualizar el acceso para comprometer por completo el servidor mediante xp_cmdshell. En algunos casos, el requisito de autenticación para el ataque puede cumplirse mediante el envío de las credenciales de administrador por defecto."
    }
  ],
  "lastModified": "2026-06-17T02:05:27.043",
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