Findings

CVE-2026-4664

The Customer Reviews for WooCommerce plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 5.103.0.

Published Apr 10, 2026 · updated Jun 17, 2026

The Customer Reviews for WooCommerce plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 5.103.0. This is due to the function comparing the user-supplied parameter against the order's meta value using strict equality ( ), without verifying that the stored key is non-empty. For orders where no review reminder email has been sent, the meta is not set, causing to return an empty string. An attacker can supply to match this empty value and bypass the permission check. This makes it possible for unauthenticated attackers to submit, modify, and inject product reviews on any product — including products not associated with the referenced order — via the REST API endpoint . Reviews are auto-approved by default since defaults to .

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 10, 2026 · NIST NVD

    Detected

    The Customer Reviews for WooCommerce plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 5.103.0. This is due to the function comparing the user-supplied parameter against the order's meta value using strict equality ( ), without verifying that the stored key is non-empty. For orders where no review reminder email has been sent, the meta is not set, ca

  2. Jun 17, 2026 · NIST NVD

    Updated

    The Customer Reviews for WooCommerce plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 5.103.0. This is due to the function comparing the user-supplied parameter against the order's meta value using strict equality ( ), without verifying that the stored key is non-empty. For orders where no review reminder email has been sent, the meta is not set, ca

Sources

  • CVE.orgVulnerability recordCVE-2026-4664

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-4664

    The Customer Reviews for WooCommerce plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 5.103.0. This is due to the function comparing the user-supplied parameter against the order's `ivole_s

    nvd.nist.gov

References