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Simple Login Captcha icon

Simple Login Captcha

v1.3.6
by Nikolay Nikolov · 3.9 (17 reviews)

Adds a simple 3-digit number captcha on the login form.

10K+ active installs Updated Nov 17, 2024 Tested to 6.7.2 Requires PHP 5.2
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Simple Login Captcha

About Simple Login Captcha

This plugin adds a simple captcha to the WordPress login form, requiring users to enter a random 3-digit number. It is compatible with the WooCommerce login form and can be used on multisite. It does not have any complicated features or settings, and does not collect any personal data. However, it may not be effective against targeted attacks.

Screenshots

Simple Login Captcha screenshot
Simple Login Captcha screenshot

Frequently asked questions

What does the Simple Login Captcha plugin do?
The Simple Login Captcha plugin adds a simple 3-digit number captcha to the WordPress login form. Users must enter a random 3-digit number, displayed above the field via JavaScript, to log in.
Is Simple Login Captcha compatible with other plugins or features?
Yes, it is compatible with the WooCommerce login form and supports WordPress multisite installations.
Does Simple Login Captcha have complex features or settings?
No, it is designed to be simple with no complicated features, no settings, no image generation, no API, no sessions, no cookies, no IP address detection, and no personal data collection.
How does Simple Login Captcha protect against bots?
It protects against random bots by requiring a human to read and enter the displayed 3-digit number. However, it's noted that a bot specifically designed to target this plugin could bypass its protection.
What is the recommendation regarding XML-RPC?
It is recommended to disable XML-RPC if not used, as bots can also try to log in through this feature. A plugin like 'Disable XML-RPC' can be used for this purpose.

Changelog

1.3.6 – 1 January 2024

  • Added: Translated language files for French (thanks to Fabrice).

1.3.5 – 20 February 2023

  • Added: Translated language files for Brazilian Portuguese (thanks to Rodrigo).

1.3.4 – 2 December 2022

  • Improved: Deletes part of the old data about monthly number of passed or blocked logins so it does not increase the number of options in the database over the years (even though it was an insignificant amount anyway).
  • Improved: The data about the monthly number of passed or blocked logins is now saved in a way that will avoid automatically loading it in the cached list of options in the server memory, since it is not needed there.

1.3.3 – 11 April 2021

  • Added: Compatibility with front-end login forms that use the wp_login_form function (but the form must not be cached by a caching plugin).

1.3.2 – 16 December 2020

  • Added: Translated language files for Polish (thanks to Karol).

1.3.1 – 16 December 2019

  • Fixed: The language files were not loaded if they were only present in the plugin languages folder (and not in wp-content/languages/plugins).

1.3.0 – 13 December 2019

  • Added: Compatibility with the WooCommerce login page.
  • Added: Translated language files for German (thanks to Tilo).
  • Improved: The gray container of the security code now has a slight border.

1.2.0 – 10 September 2019

  • Improved: In a multisite, when activated on separate sub-sites only, now uses one global database table.
  • Fixed: In a multisite, when network activated, it would not work in login pages of separate sub-sites. It would work only on the main site login page, and on the login pages for other site, it would not let anyone in.
  • Fixed: Changed the label tag surrounding the “Security Code” text, to a span tag. Since there is no field to fill there, it was not correct to use it.

1.1.0 – 4 May 2019

  • Improved: The correct number is now displayed as a result of a small JavaScript calculation (so not in plain text).
  • Updated: Language files.

1.0.0 – 11 April 2019

  • Initial release.

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