Vulnerability · Published Aug 5, 2026 · Assigned by WPScan
CVE-2026-16736User Registration & Membership < 5.2.6 - Unauthenticated Account Creation While Registration Disabled
High 7.5
In plain English
A high-severity improper access control in User Registration & Membership from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 64.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
The User Registration & Membership WordPress plugin before 5.2.6 does not enforce the site's registration-disabled setting when processing registration-form submissions, allowing unauthenticated users to create new accounts even when the administrator has turned off open registration.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | User Registration & Membership | 0 – before 5.2.6 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- https://wpscan.com/vulnerability/dc0d63d6-bcd9-4f14-865a-49d254a831a2/ exploit, vdb-entry, technical-description