Broken Access Control in Backend AJAX Routes
CVE-2025-59017

5.3MEDIUM

Key Information:

Vendor

Typo3

Status
Typo3 Cms
Vendor
CVE Published:
9 September 2025

What is CVE-2025-59017?

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.

Affected Version(s)

TYPO3 CMS 9.0.0 < 9.5.55

TYPO3 CMS 10.0.0 < 10.4.54

TYPO3 CMS 11.0.0 < 11.5.48

References

https://typo3.org/security/advisory/typo3-core-sa-2025-021
vendor-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Elias Häußler
Elias Häußler
.
CVE-2025-59017 : Missing Authorization Checks in TYPO3 CMS Backend Routing