WP Hardening – Fix Your WordPress Security <= 1.2.6 - Unauthenticated Security Feature Bypass to Username Enumeration

Incorrect Regular Expression
CVE CVE-2024-6641
CVSS Medium (5.3)
Publicly Published September 17, 2024
Last Updated September 18, 2024
Researcher Felipe Caon
Description

The WP Hardening – Fix Your WordPress Security plugin for WordPress is vulnerable to Security Feature Bypass in all versions up to, and including, 1.2.6. This is due to use of an incorrect regular expression within the "Stop User Enumeration" feature. This makes it possible for unauthenticated attackers to bypass intended security restrictions and expose site usernames.

References

1 affected software package

Software Type Plugin
Software Slug wp-security-hardening (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 1.2.6
Patched Version
  • 1.2.7
This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.
License: Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy. License Detail.