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Sikora Custom Login

Customizes the WordPress login screen with a Media Library background image and a cleaner branded layout.

by Sikora Collective · github.com/sikoracollective/sikora-custom-login

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Install

No release zip yet. The repository archive installs, but the folder name will carry the branch suffix and updates will not flow:

wp plugin install https://github.com/sikoracollective/sikora-custom-login/archive/refs/heads/main.zip
Readme github.com/sikoracollective/sikora-custom-login ↗

Customize the WordPress login screen with a Media Library background image and a cleaner branded layout.
Version 2.2.2
Requires at least WordPress 6.0
Tested up to 6.7
Requires PHP 7.4
License GPLv2 or later
Tags login, custom login, branding, admin login, media library

Description

Sikora Custom Login customizes wp-login.php for a cleaner, on-brand experience.

Features

  • Choose a business logo from the Media Library (shown in place of the WordPress logo)
  • Choose a full-screen login background from the Media Library
  • Pick a background color used when no background image is selected
  • Center the login form in the viewport
  • Optionally hide the "Lost your password?" link
  • Stores an attachment ID (not a raw URL) and validates images server-side

Security notes

  • Background and logo images must be JPEG, PNG, GIF, or WebP (SVG is not allowed)
  • Images are checked for MIME type, file contents when available, and attachment status
  • Hiding login links with CSS is for branding — it is not a security control
  • Password reset links are shown by default; check Remove under Password Reset Link in settings to hide them and block the reset flow

Installation

  1. Install the ZIP file via Plugins → Add New → Upload Plugin.
  2. Activate the plugin through the Plugins screen.
  3. Go to Settings → Sikora Custom Login.
  4. Optionally choose a Business Logo from the Media Library.
  5. Choose a background image from the Media Library and save.
  6. Optionally pick a Background Color, used only when no background image is selected.
  7. Optionally check Remove under Password Reset Link if you want to hide password recovery on wp-login.php.

Frequently Asked Questions

Where are the settings?

Settings → Sikora Custom Login.

Why was my background image cleared?

The plugin removes saved backgrounds that are no longer allowed — for example SVG files, missing attachments, or private/trash media. Choose a new JPEG, PNG, GIF, or WebP image.

Why isn't my background color showing?

The background image takes precedence. Remove the image under Background Image and the background color is used instead. Clear the color field to fall back to the default WordPress background.

Does hiding "Lost your password?" block password reset?

No. CSS only hides the link. Password reset works normally by default. Check Remove under Password Reset Link in the settings to hide the link and block wp-login.php?action=lostpassword.

Can I use a CDN-hosted image?

Yes, if the attachment is still a Media Library item. If your CDN uses a different hostname, add it with the sikora_login_allowed_bg_hosts filter.

Does this replace a security plugin?

No. Use a dedicated security plugin for rate limiting, two-factor authentication, and similar protections.

Project structure

sikora-custom-login/
├── sikora-custom-login.php   # Main plugin file
├── uninstall.php                # Option cleanup on delete
├── readme.txt                   # WordPress.org readme
├── README.md                    # This file
├── build.sh                     # Builds the distributable ZIP
└── assets/
    ├── admin.js                 # Settings page Media Library picker / color picker
    ├── login.css                # Login page layout / branding CSS (printed inline)
    └── .htaccess                # Block PHP execution in assets/

Changelog

2.2.2

  • Rename plugin to Sikora Custom Login
  • Use the sikora-custom-login slug (no "wordpress" in the plugin identity)

2.2.1

  • Show the plugin version beside the settings page title

2.2.0

  • New Business Logo setting: choose a Media Library image shown in the WordPress logo slot (84×84 px); omitted when none is selected

2.1.0

  • New Background Color setting with a color picker, used when no background image is selected
  • Footer link colors now follow the background's brightness for readable contrast
  • Login CSS is printed inline instead of linked, so hosts that strip the ?ver= cache buster can no longer serve a stale stylesheet
  • Fix the login form's white box stopping short of the Log In button
  • Login footer links are no longer underlined on hover, and no longer show a focus box after a mouse click
  • The Privacy Policy link now matches the color of the other login footer links
  • Simplify the settings page copy

2.0.0

  • Major hardening release
  • Validate background images (MIME, file contents, attachment status)
  • Move admin JS and login CSS into assets/
  • Optional disable-password-reset setting (default off)
  • Activation cleanup, uninstall cleanup, and admin notices for invalid images
  • Filterable capability, MIME types, and hosts
  • WordPress-standard inline documentation

1.0.0

  • Initial release: Media Library background, centered login form, hide logo and login links

License

This plugin is licensed under the GNU General Public License v2.0 or later.

© Sikora Collective