Vulnerability · Published Sep 13, 2026 · Assigned by WPScan
CVE-2026-80071User Registration & Membership < 5.2.8 - Author+ Privilege Escalation to Administrator
High 7.2
In plain English
A high-severity privilege mismanagement in User Registration & Membership from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.5%top 59.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The User Registration & Membership WordPress plugin before 5.2.8 does not properly restrict who may author a membership plan or validate the plan a user attaches to their own account, allowing authenticated users with Author-level access and above to assign themselves an arbitrary role and escalate their privileges to Administrator.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | User Registration & Membership | 0 – before 5.2.8 |
Weakness: CWE-269 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References
- https://wpscan.com/vulnerability/a4fbdeea-0d3b-466b-b4b6-4c4db277cd1d/ exploit, vdb-entry, technical-description