User Registration & Membership < 5.2.8 - Author+ Privilege Escalation to Administrator

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Affected scope and exposure questions

The current feed maps Unknown/User Registration & Membership (generic). Check affected ranges and fixed versions before updating.

Recommended response

1. 1Check inventory. Check lockfiles and deployed manifests for Unknown/User Registration & Membership.
2. 2Review the reported fix. Update Unknown/User Registration & Membership to 5.2.8 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

1. Published upstream

   Sep 13, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

2. Source modified

   Sep 13, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

3. First seen by HOL

   Sep 13, 2026

Sources and claim methodology

• Source referencewpscan.com

Related CVEs

• User Registration & Membership < 5.2.8 - Unauthenticated Open Redirect via Login Redirect ParametersSame unknown/user registration & membership package
• User Registration & Membership < 5.2.8 - Subscriber+ Privilege Escalation via Membership PurchaseSame unknown/user registration & membership package
• User Registration & Membership < 5.2.8 - Unauthenticated User Data Disclosure via Membership Thank You PageSame unknown/user registration & membership package
• MemberPress Corporate Accounts <= 1.5.39 - Authenticated (Subscriber+) Privilege Escalation via Mass Assignment in Sub-Account CreationAlso CWE-269
• Simple Membership < 4.7.8 - Subscriber+ Membership Level Escalation via PayPal Standard subsc_refAlso CWE-269
• Xuxueli xxl-job JobGroupController.java privileges managementAlso CWE-269