What is CVE-2026-86851?

CVE-2026-86851 is a medium-severity vulnerability in Livees Checkout, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-09.

How severe is CVE-2026-86851?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Livees Checkout

CVE-2026-86851

The Livees Checkout WordPress plugin through 7.0.2 does not perform any capability, nonce or order-key check before acting on request parameters on the order confirmation page, allowing unauthenticated users to change the status of arbitrary orders, store arbitrary data and notes on them, and recover their order keys.

Vulnerability class: Broken Access Control

Published 2026-10-09 · last modified 2026-10-09.

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.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Livees Checkout

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

wpscan.com/vulnerability/c9730831-54a3-4307-94c9-e994337a943c/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-86851?: CVE-2026-86851 is a medium-severity vulnerability in Livees Checkout, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-09.
How severe is CVE-2026-86851?: Medium severity. CVSS v3 base score is 6.5 out of 10.