What is CVE-2026-88928?

CVE-2026-88928 is a medium-severity vulnerability in Paycomet For Woocommerce, classified under Improper Authentication. CVSS score: 6.5/10. Published 2026-10-29.

How severe is CVE-2026-88928?

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

Auth bypass in Paycomet For Woocommerce

CVE-2026-88928

The PAYCOMET for WooCommerce WordPress plugin before 5.46 does not verify the cryptographic signature on its payment notification endpoint when the request references a tokenisation operation, allowing unauthenticated attackers to overwrite the stored payment token associated with existing orders and delete saved card records.

Vulnerability class: Broken Authentication

Published 2026-10-29 · last modified 2026-10-29.

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

EPSS: 0.001 (3.1th percentile), scored 2026-10-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Paycomet For Woocommerce

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

wpscan.com/vulnerability/aa7b4a44-9584-47e5-b3a1-1dcf876a86e4/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-88928?: CVE-2026-88928 is a medium-severity vulnerability in Paycomet For Woocommerce, classified under Improper Authentication. CVSS score: 6.5/10. Published 2026-10-29.
How severe is CVE-2026-88928?: Medium severity. CVSS v3 base score is 6.5 out of 10.