Description
Unstoppable Inventory Alerts is a powerful WooCommerce extension that notifies customers when out-of-stock products become available again. Built with modern standards and best practices for a reliable notification experience.
Key Features
- Full AJAX Support – Subscription forms work without page reload for a seamless customer experience
- Comprehensive Dashboard – View all subscribers, products, and statistics at a glance with beautiful charts
- Complete Subscriber List – See all subscribers with search, filter, and pagination
- CSV Export – Export subscribers and product data with flexible filters
- Reliable Email Queue – Batch processing with throttle protection ensures emails are delivered
- Variable Product Support – Works with simple and variable products including variations
- Double Opt-in – Optional email verification for GDPR compliance
- WooCommerce Email Integration – Uses WooCommerce email templates that can be customized
Highlights
- AJAX Forms – No page reload required when subscribing
- Full Visibility – Complete subscriber lists with advanced filtering
- Export Capability – Export all data to CSV with flexible options
- Reliable Delivery – Cron-based queue system ensures emails are sent when products return to stock
- Modern UI – Clean, intuitive admin interface
Options Studio Integration
Part of the Unstoppable Solutions plugin family. Works seamlessly with other Options Studio plugins under a unified admin menu.
Installation
- Upload the plugin files to
/wp-content/plugins/unstoppable-stock-alerts/or install through the WordPress plugins screen - Activate the plugin through the ‘Plugins’ screen in WordPress
- Navigate to Options Studio Stock Alerts to configure settings
- Customize form text, email settings, and notification preferences
FAQ
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Does this work with variable products?
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Yes! The plugin supports both simple and variable products. For variable products, the subscription form appears when an out-of-stock variation is selected.
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Are emails sent automatically when products are restocked?
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Yes. When a product’s stock status changes to “In Stock”, all subscribers are automatically queued for notification. A background process sends emails in batches to ensure reliable delivery.
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Can I export subscriber data?
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Yes. You can export all subscribers to CSV from the Subscribers tab. Filters can be applied before export to get specific data sets.
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Is there double opt-in support?
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Yes. Enable double opt-in in settings to require email verification before subscriptions are confirmed. This helps with GDPR compliance and ensures valid email addresses.
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Can logged-in users subscribe without entering email?
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Yes. For logged-in users, their email is automatically detected and the email field is pre-filled.
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Does it work with WooCommerce email templates?
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Yes. All emails integrate with WooCommerce’s email system and can be customized through WooCommerce Settings Emails.
Reviews
There are no reviews for this plugin.
Contributors & Developers
“Unstoppable Inventory Alerts for WooCommerce” is open source software. The following people have contributed to this plugin.
Contributors
Translate “Unstoppable Inventory Alerts for WooCommerce” into your language.
Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
Changelog
1.1.7
- Changed: Plugin name to “Unstoppable Inventory Alerts for WooCommerce” for clarity
1.1.6
- Security: Added nonce verification for unsubscribe endpoint CSRF protection
- Updated: Chart.js to v4.5.1 (latest stable)
1.1.5
- Security: Fixed CSV formula injection vulnerability (CWE-1236) in export functions
- Added sanitization for all CSV output to prevent spreadsheet formula execution
1.1.4
- Fixed: Removed comparative language from plugin description
- Fixed: Moved inline chart script to use wp_add_inline_script() and wp_localize_script()
- Updated: Chart.js to v4.4.8 (latest stable)
1.1.3
- Fixed: Added phpcs:disable comments for expected warnings (template variables, WooCommerce hooks, direct DB queries)
- Fixed: Added wp_unslash() to all input sanitization
- Fixed: Added phpcs:ignore for dynamic SQL building (safe patterns)
- Fixed: Escaped all translatable strings in wp_die() calls
- Fixed: Added phpcs:ignore for fclose() on php://output streams
1.1.2
- Fixed: Additional escaping on products view and export
- Fixed: wp_unslash on export parameters
- Fixed: phpcs compliance for CSV file operations
1.1.1
- Fixed: Escaping on pagination output
- Fixed: Added translators comments for placeholder strings
1.1.0
- Prepared for WordPress.org submission
- Updated: WordPress 7.0 compatibility
- Updated: WooCommerce 9.8 compatibility
- Improved: Security hardening with wp_unslash() sanitization
- Improved: Converted inline styles to use wp_add_inline_style()
- Improved: Bundled Chart.js locally instead of CDN
1.0.3 – 2025-12-24
- Changed: Renamed from “Stock Alerts” to “Product Alerts” to avoid stock market confusion
- Fixed: Chart containers now have proper height constraints to prevent page growth
- Fixed: Added Chart.js load verification before rendering charts
1.0.2 – 2025-12-24
- Fixed: Database table auto-creation if missing
- Fixed: Added safety checks to prevent errors when table doesn’t exist
- Fixed: All database query methods now return proper empty arrays instead of null
1.0.1 – 2025-12-24
- Added: WooCommerce HPOS (High-Performance Order Storage) compatibility declaration
- Added: WooCommerce Cart & Checkout Blocks compatibility declaration
1.0.0
- Initial release
- Full AJAX support for subscription forms
- Comprehensive admin dashboard with Chart.js
- Complete subscribers list with search, filter, and pagination
- CSV export for subscribers and products
- Email queue system with cron processing
- Variable product support
- Double opt-in option
- WooCommerce email integration
- Options Studio integration