Contact form 7 database encryption plugin. Encrypt submissions and save them to the wp_db7_forms MySQL table.
This plugin is using sodium_crypto_aead_aes256gcm_encrypt function.
The encryption key is wp-config.php md5 of AUTH_KEY data. The nonce is constant.
The CFDB7 plugin will work similarly to the previous CFDB7 interface.
Other Plugins
Demo Table Row
1. Backup Existing Submissions
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Export each Contact Form’s entries to a CSV file for safekeeping.
2. Install the Encryption Plugin
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In your WordPress dashboard, navigate to Plugins → Add New → Upload Plugin.
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Upload the plugin ZIP file and activate it.
3. Remove Old Form Data
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Go to Contact → Contact Forms and delete all existing submissions/data.
4. Automatic Encryption Begins
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Once old entries are cleared, the plugin will start encrypting new form submissions automatically—no further setup needed.
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Use the CSV backup you created.
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Install a suitable “Import CSV” plugin to re-add old entries into the form database.
Unlimited installation license $49