Vulnerability in Buckaroo Woocommerce Payments Plugin

CVE-2026-13329

The Buckaroo Woocommerce Payments Plugin WordPress plugin before 4.9.0 does not perform any capability check or nonce validation on an AJAX action that processes payment capture refunds, allowing any authenticated user, including Subscribers, to trigger refunds against captured orders.

EPSS: 0.002 (7.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

  • Unknown Buckaroo Woocommerce Payments Plugin — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-13329?
CVE-2026-13329 is a medium-severity vulnerability in Buckaroo Woocommerce Payments Plugin, classified under Improper Access Control. CVSS score: 6.5/10. Published 2026-08-01.
How severe is CVE-2026-13329?
Medium severity. CVSS v3 base score is 6.5 out of 10.