What is CVE-2026-93511?

CVE-2026-93511 is a medium-severity vulnerability in Premium Packages, classified under Authentication Bypass by Spoofing. CVSS score: 5.3/10. Published 2026-09-23.

How severe is CVE-2026-93511?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Premium Packages

CVE-2026-93511

The Premium Packages WordPress plugin before 7.2.1 does not verify PayPal's webhook signature before processing payment and subscription notifications, allowing unauthenticated attackers to forge payment confirmations and subscription-cancellation events against any order whose transaction id they know.

Published 2026-09-23 · last modified 2026-09-23.

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

EPSS: 0.002 (10.5th percentile), scored 2026-09-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.5% 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

Premium Packages

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

wpscan.com/vulnerability/edc2f15c-a72b-47c2-ad38-e6f5a8441d72/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-93511?: CVE-2026-93511 is a medium-severity vulnerability in Premium Packages, classified under Authentication Bypass by Spoofing. CVSS score: 5.3/10. Published 2026-09-23.
How severe is CVE-2026-93511?: Medium severity. CVSS v3 base score is 5.3 out of 10.