CVE-2026-11963

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.

PUBLISHED Reserved 2026-06-11 | Published 2026-07-13 | Updated 2026-07-13 | Assigner WPScan

Problem types

CWE-639 Authorization Bypass Through User-Controlled Key

Product status

Credits

Revanth Hari Narayana Matte finder

WPScan coordinator

References

wpscan.com/...rability/a34a916a-983e-48a5-8f10-99214ee3b613/ exploit vdb-entry technical-description

cve.org (CVE-2026-11963)

nvd.nist.gov (CVE-2026-11963)

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