CVE-2026-11963 — User Registration & Membership < 5.2.2 - Subscriber+ Cross-User Role and Membership Tier Modification via IDOR

CVE-2026-11963

User Registration & Membership < 5.2.2 - Subscriber+ Cross-User Role and Membership Tier Modification via IDOR PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Unknown / User Registration & Membership	affected 0 before 5.2.2

CWE

No CWE identifiers supplied.

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.