Auth bypass in Clover Payment Gateway By Zaytech For Woocommerce

CVE-2026-12493

The Clover Payment Gateway by Zaytech for WooCommerce WordPress plugin before 1.3.6 does not verify that an approved external payment record actually belongs to the WooCommerce order being completed, nor that the paid amount matches the order total, allowing unauthenticated users to mark arbitrary orders as paid by replaying a single genuinely-approved payment reference (for example one obtained from their own minimal purchase).

Vulnerability class: Broken Authentication

EPSS: 0.002 (11.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

  • Unknown Clover Payment Gateway By Zaytech For Woocommerce — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-12493?
CVE-2026-12493 is a high-severity vulnerability in Clover Payment Gateway By Zaytech For Woocommerce, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-07-27.
How severe is CVE-2026-12493?
High severity. CVSS v3 base score is 7.5 out of 10.