CVE-2026-92436: CWE-639 Authorization Bypass Through User-Controlled Key in Mailchimp for WooCommerce
The Mailchimp for WooCommerce WordPress plugin before 6.3 does not require authentication or verify ownership before loading a saved cart from a request-supplied identifier that is derived from a customer's email address, allowing an unauthenticated attacker who knows a customer's email address to confirm that the customer shops at the store and to read that customer's saved cart contents.
CVE-2026-92436: CWE-639 Authorization Bypass Through User-Controlled Key in Mailchimp for WooCommerce
Description
The Mailchimp for WooCommerce WordPress plugin before 6.3 does not require authentication or verify ownership before loading a saved cart from a request-supplied identifier that is derived from a customer's email address, allowing an unauthenticated attacker who knows a customer's email address to confirm that the customer shops at the store and to read that customer's saved cart contents.
Affected software
Mailchimp for WooCommerce
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-09-16T10:16:35.087Z
- State
- PUBLISHED
Threat ID: 6ab8b2d7f7a7c54106aa92e0
Added to database: 09/27/2026, 06:08:23 UTC
Last updated: 09/27/2026, 06:08:23 UTC
Views: 1
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