Improper Authentication Vulnerability in Mailchimp for WooCommerce Plugin
CVE-2026-92437

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Mailchimp For WooCommerce
Vendor
CVE Published:
3 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-92437?

The Mailchimp for WooCommerce plugin prior to version 6.3 contains a vulnerability that permits unauthenticated attackers to manipulate or remove another user's abandoned cart records. This exploit occurs due to the lack of necessary authentication, nonce verification, or ownership checks when handling requests based on supplied data. As a result, malicious entities could gain unauthorized access to sensitive customer information, potentially leading to significant data integrity issues.

Affected Version(s)

Mailchimp for WooCommerce 0 < 6.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-92437 - Proof of Concept

References

https://wpscan.com/vulnerability/47b3aa17-f7fd-42df-9ef0-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mutantgun
WPScan
.