CVE-2026-11963

Summary

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.

Affected Software

VendorProductVersion RangeStatus
UnknownUser Registration & Membership0 < 5.2.2affected

Weaknesses

  • CWE-639 Authorization Bypass Through User-Controlled Key

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: total

References