Auth bypass in Unitechpay

CVE-2026-87841

The UnitechPay WordPress plugin through 1.0.6.3 does not verify the authenticity of the payment notifications it receives, allowing unauthenticated attackers to mark orders placed through it as paid without any payment being made, as well as to force other orders into a failed state.

Vulnerability class: Broken Access Control

Published · last modified .

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.

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

  • Unitechpay

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-87841?
CVE-2026-87841 is a medium-severity vulnerability in Unitechpay, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-10-09.
How severe is CVE-2026-87841?
Medium severity. CVSS v3 base score is 5.3 out of 10.