The create and edit flows do not restrict which user properties may be submitted and do not enforce access control on the frontend user group assignment. As a result, an attacker can assign an arbitrary frontend user group to a newly registered or edited account, gaining unauthorized access to content and functionality restricted to privileged frontend user groups.
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://typo3.org/security/advisory/typo3-ext-sa-2026-009 |
|
History
Wed, 20 May 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Typo3
Typo3 extension "frontend User Registration" |
|
| Vendors & Products |
Typo3
Typo3 extension "frontend User Registration" |
Tue, 19 May 2026 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Tue, 19 May 2026 10:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The create and edit flows do not restrict which user properties may be submitted and do not enforce access control on the frontend user group assignment. As a result, an attacker can assign an arbitrary frontend user group to a newly registered or edited account, gaining unauthorized access to content and functionality restricted to privileged frontend user groups. | |
| Title | Broken Access Control in extension "Frontend User Registration" (sf_register) | |
| Weaknesses | CWE-639 CWE-915 |
|
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: TYPO3
Published:
Updated: 2026-05-19T13:21:39.704Z
Reserved: 2026-05-16T09:55:27.478Z
Link: CVE-2026-46721
Updated: 2026-05-19T13:21:32.290Z
Status : Deferred
Published: 2026-05-19T10:16:24.853
Modified: 2026-05-19T14:47:13.200
Link: CVE-2026-46721
No data.
OpenCVE Enrichment
Updated: 2026-05-20T10:39:39Z