CVE-2026-92437
Received Received - Intake

Unauthenticated Cart Modification in Mailchimp for WooCommerce

Publication date: 2026-10-03

Last updated on: 2026-10-03

Assigner: WPScan

Description
The Mailchimp for WooCommerce WordPress plugin before 6.3 does not require authentication, a nonce or an ownership check before it acts on a customer's abandoned-cart record identified from request-supplied data, allowing an unauthenticated attacker to modify or delete another customer's stored cart.

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Meta Information

Published
2026-10-03
Last Modified
2026-10-03
Generated
2026-10-03
AI Q&A
2026-10-03
EPSS Evaluated
N/A
NVD
CVE-2026-92437
EUVD
EUVD-2026-91945

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mailchimp mailchimp_for_woocommerce to 6.3 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability affects the Mailchimp for WooCommerce WordPress plugin before version 6.3. It allows unauthenticated attackers to modify or delete another customer's abandoned-cart record by exploiting missing authentication checks, nonce validation, and ownership verification in the plugin.

Detection Guidance

Check the installed version of the Mailchimp for WooCommerce plugin. If it is below 6.3, the system is vulnerable. Use commands like 'wp plugin list' in WordPress or inspect the plugin files for version details.

Impact Analysis

If you use the affected plugin version, an attacker could alter or delete your stored abandoned cart data without your knowledge. This could lead to loss of cart contents, incorrect order processing, or disruption of your e-commerce operations.

Compliance Impact

This vulnerability could potentially impact compliance with GDPR and HIPAA by allowing unauthorized modification or deletion of user data (abandoned cart records) without authentication. Such unauthorized access may violate data integrity and privacy requirements under these regulations.

Mitigation Strategies

Update the Mailchimp for WooCommerce plugin to version 6.3 or later immediately. Disable the plugin temporarily if an update is not immediately possible.

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