Auth bypass in Payplus Payment Gateway

CVE-2026-12973

The PayPlus Payment Gateway WordPress plugin before 8.2.2 does not perform authorization or order-ownership validation in one of its AJAX actions available to unauthenticated users, allowing them to disclose the secret order key of arbitrary WooCommerce orders and, under some configurations, to modify order statuses.

Vulnerability class: Broken Access Control

EPSS: 0.003 (18.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

  • Unknown Payplus Payment Gateway — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-12973?
CVE-2026-12973 is a medium-severity vulnerability in Payplus Payment Gateway, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-07-20.
How severe is CVE-2026-12973?
Medium severity. CVSS v3 base score is 6.5 out of 10.