Auth bypass in Empik For Woocommerce

CVE-2026-9766

The Empik for Woocommerce plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.5.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to modify arbitrary WooCommerce product metadata, including Empik logistic class (_empik_logistic_klass), product state (_empik_product_state, _empik_product_state_all_variants), and Empik export and offer flags on any product in the store.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-9766?
CVE-2026-9766 is a medium-severity vulnerability in Empik For Woocommerce, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-09-19.
How severe is CVE-2026-9766?
Medium severity. CVSS v3 base score is 4.3 out of 10.