What is CVE-2026-90923?

CVE-2026-90923 is a medium-severity vulnerability in Autopay, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-09-17.

How severe is CVE-2026-90923?

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

Auth bypass in Autopay

CVE-2026-90923

The Autopay WordPress plugin before 5.0.1 does not enforce the signature on one of its payment callbacks, allowing unauthenticated users to disclose and delete the stored payment parameters of other customers' orders.

Vulnerability class: Broken Access Control

Published 2026-09-17 · last modified 2026-09-18.

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: 0.003 (19.9th percentile), scored 2026-11-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Autopay

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

wpscan.com/vulnerability/29133c48-ff5c-4295-bd18-7014d7650298/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-90923?: CVE-2026-90923 is a medium-severity vulnerability in Autopay, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-09-17.
How severe is CVE-2026-90923?: Medium severity. CVSS v3 base score is 6.5 out of 10.