Threat intelligence

Customer Reviews for WooCommerce <= 5.103.0 - Unauthenticated Authentication Bypass to Arbitrary Review Submission via 'key' Parameter

CVE-2026-4664 · customer-reviews-woocommerce

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Customer Reviews Woocommerce at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Customer Reviews for WooCommerce <= 5.103.0 - Unauthenticated Authentication Bypass to Arbitrary Review Submission via 'key' Parameter
Affected software: customer-reviews-woocommerce(Plugin)
Affected versions: ≤ 5.103.0
Authentication: Unauthenticated
Vulnerability type: Authentication bypass
CVE: CVE-2026-4664
Published: 9 April 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow access to accounts or admin areas without valid credentials.
Source: Data imported from Wordfence Intelligence (advisory 27e3dfe3-ad33-4d0c-a999-d0734df2f59b). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Customer Reviews Woocommerce version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Customer Reviews Woocommerce advisoriesBack to catalog