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CVE-2026-53952 GetSimple CMS & GetSimpleCMS-CE have an Unauthenticated Admin Account Creation via Setup Logic Flaw

🗓️ 11 Sep 2026 19:23:30Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 38 Views

Unauthenticated admin account creation in GetSimple CMS 3.4.0a via setup.php self-exclusion bug.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-53952
11 Sep 202620:40
–circl
cve
CVE
CVE-2026-53952
11 Sep 202619:23
–cve
euvd
EUVD
EUVD-2026-76446
11 Sep 202619:23
–euvd
nvd
NVD
CVE-2026-53952
11 Sep 202620:17
–nvd
ptsecurity
Positive Technologies
PT-2026-90050
11 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-53952: Improper Authorization
11 Sep 202600:00
–rapid7
vulnrichment
Vulnrichment
CVE-2026-53952 GetSimple CMS & GetSimpleCMS-CE have an Unauthenticated Admin Account Creation via Setup Logic Flaw
11 Sep 202619:23
–vulnrichment
[
  {
    "vendor": "GetSimpleCMS-CE",
    "product": "GetSimpleCMS-CE",
    "versions": [
      {
        "version": "<= 3.3.22",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "GetSimpleCMS",
    "product": "GetSimpleCMS",
    "versions": [
      {
        "version": "<= 3.4.0a",
        "status": "affected"
      }
    ]
  }
]

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