Missing Authorization Affecting typo3/cms-core package, versions <13.4.31>=14.0.0, <14.3.3
Threat Intelligence
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The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-TYPO3CMSCORE-17339206
- published15 Jun 2026
- disclosed12 Jun 2026
- creditAlexander Künzl
Introduced: 12 Jun 2026
NewCVE-2026-47346 (opens in a new tab)How to fix?
Upgrade typo3/cms-core to version 13.4.31, 14.3.3 or higher.
Overview
typo3/cms-core is a free open source enterprise content management system.
Affected versions of this package are vulnerable to Missing Authorization via the upload for form definition files with mixed-case extensions. An attacker can escalate privileges by uploading maliciously crafted files that execute arbitrary SQL statements, potentially creating administrative backend user accounts.