Vulnerability in Paid Membership Subscriptions

CVE-2026-90922

The Paid Membership Subscriptions WordPress plugin before 3.0.9 does not verify that the amount and currency reported by the payment provider match the pending payment before completing it, allowing unauthenticated users to obtain a paid membership by paying an arbitrary lower amount.

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.

Affected products

  • Unknown Paid Membership Subscriptions

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-90922?
CVE-2026-90922 is a medium-severity vulnerability in Paid Membership Subscriptions, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-09-17.
How severe is CVE-2026-90922?
Medium severity. CVSS v3 base score is 5.3 out of 10.