8.1
High
CVE-2026-11961 The User Registration & Membership WordPress plugin before 5.2.3 does not validate that the membership tier submitted…
Description
The User Registration & Membership WordPress plugin before 5.2.3 does not validate that the membership tier submitted during public registration is one of the tiers allowed by the registration form before assigning that tier's associated user role, allowing unauthenticated users to register into an arbitrary published membership tier and obtain its role — up to administrator when such a tier exists.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| User Registration & Membership 5.2 | earliest → < 5.2.3 | 5.2.3 |
Other CVEs of User Registration & Membership
The 14 CVEs of User Registration & Membership →
CVE-2026-80072
The User Registration & Membership WordPress plugin before 5.2.8 does not validate the destination of a post-login…
4.7
Medium
CVE-2026-86406
The User Registration & Membership WordPress plugin before 5.2.8 does not check the capability of the user making a…
7.5
High
CVE-2026-86407
The User Registration & Membership WordPress plugin before 5.2.8 does not verify that the visitor requesting its…
3.7
Low
CVE-2026-80071
The User Registration & Membership WordPress plugin before 5.2.8 does not properly restrict who may author a membership…
7.2
High