CVE-2026-92437 Mailchimp for WooCommerce < 6.3 - Unauthenticated Abandoned Cart Modification and Deletion
Unauthenticated attackers can modify or delete other customers' abandoned cart records due to missing authorization checks in the Mailchimp for WooCommerce plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-92437?
CVE-2026-92437 is a medium-severity missing authorization vulnerability in Unknown Mailchimp for WooCommerce, published on 3 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-92437?
How do I fix CVE-2026-92437?
No fix has been published for CVE-2026-92437 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-92437 being exploited?
There is no known exploitation of CVE-2026-92437 in the wild and no public exploit code.
Sources
Also known as GHSA-g66g-hh39-fx5j.