---
title: "Breaking: #64229 - Trim submitted login-form-data before usage"
manual: "TYPO3 Core Changelog"
version: "main"
permalink: "https://docs.typo3.org/permalink/changelog:breaking-64229"
source: "Changelog/7.1/Breaking-64229-TrimSubmittedLoginFormData.rst"
modified: "2026-09-14T09:47:36+00:00"
---

# Breaking: #64229 - Trim submitted login-form-data before usage

See [forge#64229](https://forge.typo3.org/issues/64229)

## Description

Data submitted through the login-forms (frontend and backend) will now be trimmed before the login is performed.
So now all fields (like username or password) with leading/trailing whitespace will have those removed.
Any whitespace inside fields will not be touched.

## Impact

Users that have had whitespace at the beginning or end of their username or password will not be able to log in anymore.

## Affected installations

Any installation relying on whitespace at the beginning or end of either a username or a password.
Please note that the TYPO3 backend didn't allow whitespace for username in frontend or backend
and only allowed whitespace for passwords of backend users until now.

## Migration

Update usernames and/or passwords.