Missing Authorization Affecting typo3/cms-backend package, versions <13.4.31>=14.0.0, <14.3.3


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.24% (15th percentile)

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  • Snyk IDSNYK-PHP-TYPO3CMSBACKEND-17339195
  • published15 Jun 2026
  • disclosed12 Jun 2026
  • creditVincent Yang

Introduced: 12 Jun 2026

NewCVE-2026-47351  (opens in a new tab)
CWE-862  (opens in a new tab)

How to fix?

Upgrade typo3/cms-backend to version 13.4.31, 14.3.3 or higher.

Overview

Affected versions of this package are vulnerable to Missing Authorization via the clipboard. An attacker can access unauthorized records and files by inserting arbitrary entries into the clipboard without proper permission checks.

CVSS Base Scores

version 4.0
version 3.1