Privilege escalation in User Registration & Membership
CVE-2026-80071
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.
Vulnerability class: Privilege Escalation
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Unknown User Registration & Membership
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-80071?
- CVE-2026-80071 is a high-severity vulnerability in User Registration & Membership, classified under Improper Privilege Management. CVSS score: 7.2/10. Published 2026-09-13.
- How severe is CVE-2026-80071?
- High severity. CVSS v3 base score is 7.2 out of 10.