Auth bypass in Wcfm Marketplace

CVE-2026-77701

The WCFM Marketplace WordPress plugin before 3.8.2 does not correctly verify that the person requesting a refund owns the order, allowing unauthenticated users to create refund requests against any guest checkout order on the site.

Vulnerability class: Broken Access Control

EPSS: 0.001 (4.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

  • Unknown Wcfm Marketplace

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-77701?
CVE-2026-77701 is a medium-severity vulnerability in Wcfm Marketplace, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-08-28.
How severe is CVE-2026-77701?
Medium severity. CVSS v3 base score is 5.3 out of 10.