Critical Bug: Version 2.3.0 causes consistent “Invalid nonce” error
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I am reporting a critical issue with Clover Payments for WooCommerce Version 2.3.0 that is causing a flood of failed orders on our site.
Facts Confirmed via Logs:
- The previous working version was 2.2.0.
- The plugin was updated to Version 2.3.0 on October 28, 2025.
- The very first log entry showing the error
Clover Blocks Payment Processing: Invalid nonceappeared on October 28, 2025 (less than 20 hours after the update). - This error has appeared consistently in every daily log file since the update, leading to frequent payment failures.
Action Taken: As a temporary measure to restore payment stability, I have manually rolled back the plugin to the previous Version 2.2.0 and disabled auto-updates.
For the Developers: Please investigate this version 2.3.0 update, as the timeline strongly indicates a bug was introduced, likely related to nonce generation or validation in the new block-based checkout code, or a conflict with server-side caching. I am currently monitoring the live site and expect the errors to disappear with Version 2.2.0 running.
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This is the result I’m getting on my checkout page and I see a bunch of errors in my status logs too. I didn’t change anything. Something is screwy with this plugin and it’s not the first time I’ve had issues with it after a new version is released.
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