CVE-2026-66631: WordPress MC Woocommerce Wishlist plugin <= 1.9.21 - SQL Injection vulnerability

Published Sep 17, 2026
·
Updated

Administrator SQL Injection in MC Woocommerce Wishlist <= 1.9.21 versions.

Affected Software

1 affected component
WordPress MC Woocommerce Wishlist plugin<=1.9.21

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade WordPress MC Woocommerce Wishlist Plugin to a version that resolves this vulnerability.

    Fixed in 2.0.0

Event History

Sep 17, 2026
CVE Published
via MITRE·01:24 PM
Data Sourced
via MITRE·01:24 PM
RemedyDescriptionSeverityWeakness

Frequently Asked Questions

1

What level of access does an attacker need?

An attacker needs high privileges, consistent with WordPress administrator-level access. The issue is remotely reachable over the network and does not require user interaction.

2

What is the likely impact of successful exploitation?

Successful exploitation may expose highly sensitive information through SQL injection. The available severity vector indicates no direct integrity impact and a low availability impact, while the impact may extend beyond the vulnerable component.

3

Which deployments should be prioritized for review?

Prioritize WordPress sites using MC Woocommerce Wishlist version 1.9.21 or earlier, especially where administrator accounts are shared, insufficiently protected, or potentially compromised.

Contact

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