CVE-2026-11963

HighCVSS 8.1/10Last modified Jul 13, 2026

Description

The User Registration & Membership WordPress plugin before 5.2.2 does not perform an authorization check on a membership-upgrade action and derives the user to modify from a caller-supplied identifier instead of the current user, allowing any authenticated user such as a subscriber to change another user's WordPress role and membership tier.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected software

Vendor	Product	Versions
Unknown	User Registration & Membership	< 5.2.2

References

https://wpscan.com/vulnerability/a34a916a-983e-48a5-8f10-99214ee3b613/

Timeline

Published: Jul 13, 2026
Last modified: Jul 13, 2026
NVD status: Deferred

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