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CVE-2017-1000453

Status: ModifiedCritical (9.8)—

CMS Made Simple version 2.1.6 and 2.2 are vulnerable to Smarty templating injection in some core modules, resulting in unauthenticated PHP code execution.

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).

Affected technologies (1)

Cmsmadesimple — CMS Made Simple

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2017-1000453",
  "cveTags": [],
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          "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"
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        "acInsufInfo": false,
        "impactScore": 6.4,
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        "obtainAllPrivilege": false,
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          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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  "affected": [
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      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
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  "published": "2018-01-02T17:29:00.820",
  "references": [
    {
      "url": "https://www.cmsmadesimple.org/2017/06/Announcing-CMSMS-2-2-1-Hearts-Desire/",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
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      "url": "https://www.cmsmadesimple.org/2017/06/Announcing-CMSMS-2-2-1-Hearts-Desire/",
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        "Issue Tracking",
        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-74"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "CMS Made Simple version 2.1.6 and 2.2 are vulnerable to Smarty templating injection in some core modules, resulting in unauthenticated PHP code execution."
    },
    {
      "lang": "es",
      "value": "CMS Made Simple, en sus versiones 2.1.6 y 2.2, es vulnerable a una inyección de plantillas de Smarty en algunos módulos centrales. Esto resulta en la ejecución de código PHP sin autenticación."
    }
  ],
  "lastModified": "2026-06-17T00:59:11.760",
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