🛡️ CVE-2025-59017 — typo3

🟠 CVSS 8.8 — High ✅ No Known Exploit CWE-862 NVD
8.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

TYPO3 backend modules have Broken Access Control

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2025-59017 is classified as CWE-862: Missing Authorization. No authorisation check is performed before carrying out a restricted action.

Affected software

CVE-2025-59017 is recorded against 6 packages.

  • typo3 (from 13.0.0 up to 13.4.18)
  • typo3/cms-backend (from 13.0.0 up to 13.4.18)
  • typo3/cms-beuser (from 9.0.0 up to 12.4.37)
  • typo3/cms-dashboard (from 13.0.0 up to 13.4.18)
  • typo3/cms-recycler (from 13.0.0 up to 13.4.18)
  • typo3/cms-workspaces (from 13.0.0 up to 13.4.18)

Timeline and source

Published on 9 September 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

typo3.org

Details

Severity HIGH
CVSS Score 8.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-862
Public Exploit ✅ No
Source NVD
Published 2025-09-09
Updated 2026-08-12
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
typo3 13.0.0 13.4.18
typo3/cms-backend 13.0.0 13.4.18
typo3/cms-beuser 9.0.0 12.4.37
typo3/cms-dashboard 13.0.0 13.4.18
typo3/cms-recycler 13.0.0 13.4.18
typo3/cms-workspaces 13.0.0 13.4.18

Similar Threats

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