{
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        {
          "product": "GetSimpleCMS-CE",
          "vendor": "GetSimpleCMS-CE",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 3.3.22"
            }
          ]
        },
        {
          "product": "GetSimpleCMS",
          "vendor": "GetSimpleCMS",
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              "status": "affected",
              "version": "\u003c= 3.4.0a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. A logic flaw in GetSimple CMS (v3.4.0a and below) and GetSimpleCMS-CE (v3.3.22 and below) allows unauthenticated attackers to create a new administrator account. The application features an automated security control designed to delete the sensitive `admin/setup.php` file post-installation. However, this control is neutralized by a self-exclusion bug within the deletion logic, leaving the setup script accessible for unauthorized account creation even after a legitimate installation is completed. As of time of publication, no known patched versions are available."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-285",
              "description": "CWE-285: Improper Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-306",
              "description": "CWE-306: Missing Authentication for Critical Function",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-489",
              "description": "CWE-489: Active Debug Code",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-11T19:23:30.889Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-rw2c-w4mg-46g4",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-rw2c-w4mg-46g4"
        }
      ],
      "source": {
        "advisory": "GHSA-rw2c-w4mg-46g4",
        "discovery": "UNKNOWN"
      },
      "title": "GetSimple CMS \u0026 GetSimpleCMS-CE have an Unauthenticated Admin Account Creation via Setup Logic Flaw"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-53952",
    "datePublished": "2026-09-11T19:23:30.889Z",
    "dateReserved": "2026-06-11T15:50:01.281Z",
    "dateUpdated": "2026-09-11T19:23:30.889Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-53952",
      "date": "2026-06-14",
      "epss": "0.00221",
      "percentile": "0.4497"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-53952\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-09-11T20:17:14.060\",\"lastModified\":\"2026-09-11T20:17:14.060\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. A logic flaw in GetSimple CMS (v3.4.0a and below) and GetSimpleCMS-CE (v3.3.22 and below) allows unauthenticated attackers to create a new administrator account. The application features an automated security control designed to delete the sensitive `admin/setup.php` file post-installation. However, this control is neutralized by a self-exclusion bug within the deletion logic, leaving the setup script accessible for unauthorized account creation even after a legitimate installation is completed. As of time of publication, no known patched versions are available.\"}],\"affected\":[{\"source\":\"security-advisories@github.com\",\"affectedData\":[{\"vendor\":\"GetSimpleCMS-CE\",\"product\":\"GetSimpleCMS-CE\",\"versions\":[{\"version\":\"\u003c= 3.3.22\",\"status\":\"affected\"}]},{\"vendor\":\"GetSimpleCMS\",\"product\":\"GetSimpleCMS\",\"versions\":[{\"version\":\"\u003c= 3.4.0a\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-285\"},{\"lang\":\"en\",\"value\":\"CWE-306\"},{\"lang\":\"en\",\"value\":\"CWE-489\"}]}],\"references\":[{\"url\":\"https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-rw2c-w4mg-46g4\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}