What’s Vulnerable › Vulnerabilities
CVE-2026-92436: Mailchimp for WooCommerce < 6.3 - Unauthenticated Customer Email and Cart Disclosure via IDOR
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-27 · updated 2026-09-28
- Weakness: CWE-639
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 products
- Mailchimp for WooCommerce: before 6.3 — fixed in 6.3
How to fix
Upgrade to a fixed version: Mailchimp for WooCommerce 6.3. Check the vendor advisory for mitigations.
References
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