CVE-2026-92437: CWE-862 Missing Authorization in Mailchimp for WooCommerce
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.
AI Analysis
Technical Summary
CVE-2026-92437 is a missing authorization vulnerability (CWE-862) in the Mailchimp for WooCommerce WordPress plugin prior to version 6.3. The plugin does not enforce authentication, nonce validation, or ownership verification before acting on abandoned-cart records identified from data supplied in requests. This enables unauthenticated attackers to alter or remove abandoned cart data belonging to other customers.
Potential Impact
An unauthenticated attacker can modify or delete abandoned cart records of other customers, potentially disrupting customer shopping experiences and causing data integrity issues within the affected WooCommerce stores using the vulnerable plugin versions.
Mitigation Recommendations
Upgrade the Mailchimp for WooCommerce plugin to version 6.3 or later where this authorization issue is addressed. No other mitigation guidance is provided; patching is the recommended action.
CVE-2026-92437: CWE-862 Missing Authorization in Mailchimp for WooCommerce
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.
CVSS v3.1
Score 5.3medium
Affected software
Mailchimp for WooCommerce
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-92437 is a missing authorization vulnerability (CWE-862) in the Mailchimp for WooCommerce WordPress plugin prior to version 6.3. The plugin does not enforce authentication, nonce validation, or ownership verification before acting on abandoned-cart records identified from data supplied in requests. This enables unauthenticated attackers to alter or remove abandoned cart data belonging to other customers.
Potential Impact
An unauthenticated attacker can modify or delete abandoned cart records of other customers, potentially disrupting customer shopping experiences and causing data integrity issues within the affected WooCommerce stores using the vulnerable plugin versions.
Mitigation Recommendations
Upgrade the Mailchimp for WooCommerce plugin to version 6.3 or later where this authorization issue is addressed. No other mitigation guidance is provided; patching is the recommended action.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-09-16T10:16:38.474Z
- State
- PUBLISHED
Threat ID: 6ac11725a43b0b3b89cacf74
Added to database: 10/03/2026, 14:54:29 UTC
Last enriched: 10/03/2026, 14:57:02 UTC
Last updated: 10/04/2026, 02:47:07 UTC
Views: 11
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