CVE-2025-59017

High

Description

Missing authorization checks in the Backend Routing of TYPO3 CMS versions 9.0.0‑9.5.54, 10.0.0‑10.4.53, 11.0.0‑11.5.47, 12.0.0‑12.4.36, and 13.0.0‑13.4.17 allow backend users to directly invoke AJAX backend routes without having access to the corresponding backend modules.

SeverityHigh
CVSS8.8
Exploit probability—
ProductTypo3
PublishedSep 9, 2025
First seenSep 9, 2025

How to fix

Update
  • typo3 typo39.5.55, 10.4.54, 11.5.48, 12.4.37, 13.4.18 or later
  • typo3/cms-workspaces12.4.37, 13.4.18 or later
  • typo3/cms-recycler12.4.37, 13.4.18 or later
  • typo3/cms-dashboard12.4.37, 13.4.18 or later
  • typo3/cms-beuser13.4.18, 12.4.37 or later
  • typo3/cms-backend12.4.37, 13.4.18 or later

Affected products

ProductAffected versionsFixed in
typo3 typo39.0.0 ≤ v < 9.5.55, 10.0.0 ≤ v < 10.4.54, 11.0.0 ≤ v < 11.5.48, 12.0.0 ≤ v < 12.4.37, 13.0.0 ≤ v < 13.4.189.5.55, 10.4.54, 11.5.48, 12.4.37, 13.4.18
typo3/cms-workspacesPackagist9.0.0 ≤ v < 12.4.37, 10.0.0 ≤ v < 12.4.37, 11.0.0 ≤ v < 12.4.37, 12.0.0 ≤ v < 12.4.37, 13.0.0 ≤ v < 13.4.1812.4.37, 13.4.18
typo3/cms-recyclerPackagist9.0.0 ≤ v < 12.4.37, 10.0.0 ≤ v < 12.4.37, 11.0.0 ≤ v < 12.4.37, 12.0.0 ≤ v < 12.4.37, 13.0.0 ≤ v < 13.4.1812.4.37, 13.4.18
typo3/cms-dashboardPackagist10.0.0 ≤ v < 12.4.37, 11.0.0 ≤ v < 12.4.37, 12.0.0 ≤ v < 12.4.37, 13.0.0 ≤ v < 13.4.1812.4.37, 13.4.18
typo3/cms-beuserPackagist13.0.0 ≤ v < 13.4.18, 12.0.0 ≤ v < 12.4.37, 11.0.0 ≤ v < 12.4.37, 10.0.0 ≤ v < 12.4.37, 9.0.0 ≤ v < 12.4.3713.4.18, 12.4.37
typo3/cms-backendPackagist9.0.0 ≤ v < 12.4.37, 10.0.0 ≤ v < 12.4.37, 11.0.0 ≤ v < 12.4.37, 12.0.0 ≤ v < 12.4.37, 13.0.0 ≤ v < 13.4.1812.4.37, 13.4.18

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CVE-2025-59017 · Typo3 · Dark Radar