Title: Filter login error message to use an ambiguous one that does not reveal whether username exists.
Author: WordPress VIP Documentation
Published: May 11, 2021
Last modified: August 5, 2025

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 1. [Changelog](https://docs.wpvip.com/changelog/)
 2. [VIP MU plugins [Production]](https://docs.wpvip.com/changelog/vip-mu-plugins-production/)
 3. Filter login error message to use an ambiguous one that does not reveal whether
    username exists.

# Filter login error message to use an ambiguous one that does not reveal whether username exists.

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 11 May 2021

18:41:31 GMT+0000

 [ VIP MU plugins [Production] ](https://docs.wpvip.com/changelog/vip-mu-plugins-production/)

 [ Permalink  ](https://docs.wpvip.com/changelog/vip-mu-plugins-production/filter-login-error-message-to-use-an-ambiguous-one-that-does-not-reveal-whether-username-exists/)

[https://github.com/Automattic/vip-go-mu-plugins/pull/2014](https://github.com/Automattic/vip-go-mu-plugins/pull/2014)