CVE-2026-8615: ilGhera Reviso Exporter for WooCommerce <= 1.2.3 - Missing Authorization to Authenticated (Subscriber+) Agreement Grant Token Deletion via disconnect_callback Function
The Reviso Exporter for WooCommerce plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check and missing nonce verification on the disconnectcallback() function in versions up to, and including, 1.2.3. The function is registered to the 'wpajaxwcefr-disconnect' AJAX action and unconditionally calls deleteoption('wcefr-agt'), which removes the Reviso Agreement Grant Token used to authenticate API calls. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete the plugin's stored Agreement Grant Token, breaking the connection between WooCommerce and the Reviso service.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
ilGhera Reviso Exporter for WooCommerceto a version that resolves this vulnerability.Fixed in 1.2.3 - Compensating control
Restrict access to the wp_ajax_wcefr-disconnect AJAX endpoint so only users with sufficient capability (beyond Subscriber) can invoke disconnect_callback, preventing Subscriber-level token deletion.
- Operational
After patching, verify the stored Reviso Agreement Grant Token (wcefr-agt) still exists for the WooCommerce integration; if it was deleted, reconnect/reauthorize so a valid Agreement Grant Token is restored.
Event History
Frequently Asked Questions
Who can exploit this issue?
An attacker must be authenticated to the WordPress site with at least Subscriber-level access. No user interaction is required.
What is the practical impact of exploitation?
An attacker can invoke the wcefr-disconnect AJAX action to delete the stored Reviso Agreement Grant Token. This breaks the WooCommerce plugin's authenticated connection to the Reviso service and can prevent its API calls from working.
How can administrators determine whether the plugin is affected?
Installations running Reviso Exporter for WooCommerce version 1.2.3 or earlier are affected according to the available data. The vulnerable behavior is the wcefr-disconnect AJAX action deleting the wcefr-agt option without capability or nonce verification.