WPForms
98The best WordPress contact form plugin. Drag & Drop form builder to create beautiful contact forms, paymen...
Free
5M+ installs 4.8★ (14,369)
BSK Forms Blacklist
Checks field content and block submitting base on your keywords. Blocking IP, Country is only supported in the Pro version.
The facts
- Rating
- 4.3★ from 12
- Active installs
- 1k+
- Price
- Free
- Last updated
- 1 Sep 2025
- Added
- May 2017
- Requires WP
- 4.0
- Tested up to
- WP 6.8.8
- Downloads
- 36,097
Our analysis
AI-assistedBSK Forms Blacklist is a WordPress plugin designed to help you prevent spam submissions on various form plugins, including Gravity Forms and Contact Form 7. It allows you to create a blacklist of keywords, and if a form submission contains any of these keywords, it will be blocked. The setup is straightforward, requiring you to create a blacklist and apply it to the relevant form fields.
This plugin is suitable for users who want to enhance their form security and reduce spam without needing advanced technical skills. It is particularly useful for those managing forms on websites that receive a high volume of submissions.
Best for: This plugin suits website owners looking to secure their forms against spam submissions.
What it does well
- ✓Helps prevent spam submissions
- ✓Compatible with multiple form plugins
- ✓Easy to set up and use
- ✓Allows customization of validation messages
Where it falls short
- •Blocking IP addresses and country restrictions are only available in the Pro version
- •Limited feature information provided
Verdict
BSK Forms Blacklist offers a simple solution for reducing spam on form submissions, although advanced features require the Pro version.
From the developer
bannersky's own description of BSK Forms Blacklist, lightly tidied.
This plugin helps you avoid spam submissions from Gravity Forms, Formidable Forms, WPForms, Contact Form 7 and Forminator.
This is the free version and you can set it up to use a blacklist. If the field value contains / same as an item / keyword in the applied blacklist, the form submission will be blocked. It’s easy to use, you just need to create a blacklist, enable settings for the form and apply the blacklist to the form fields. You can set one or more fields to validate. Validation messages can be customized for the form.
The Pro version described here: https://www.bannersky.com/gravity-forms-blacklist-and-custom-validation/ can also be used as a whitelist, IP address, email or invitation code to validate visitor input. Support for blocking email domains, giving you the option to allow or block submissions instead of always allowing submissions. Supports blocking IP addresses by country or allowing only IP addresses from a certain country.
Short Description
This plugin helps you avoid spam submissions from Gravity Forms, Formidable Forms, WPForms, Contact Form 7 and Forminator. It checks the form field content and block submitting base on your keywords. Blocking IP, Country is only supported in the Pro version.
Tagged as
purpose
Contact & Custom Forms
Alternatives
Other plugins for building forms.
The best anti-spam protection to block spam comments and spam in a contact form. The most trusted antispam sol...
Free
5M+ installs 4.7★ (1,186)
Fluent Forms
94Get a fast contact form plugin. Create advanced forms using drag and drop form builder with all smart features...
Free
700k+ installs 4.8★ (790)
Best WordPress form builder plugin. Create contact forms, payment forms & order forms with 1000+ integrati...
Free
600k+ installs 4.8★ (2,117)
Save and manage Contact Form 7 messages. Never lose important data. It is a lightweight contact form 7 databas...
Free
600k+ installs 5★ (1,874)
MetForm
93Elementor forms builder to create WordPress forms like contact form, booking form, feedback form, survey form,...
Free
600k+ installs 4.7★ (504)