Privilege escalation in User Registration & Membership
CVE-2026-11961
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…
Vulnerability class: Privilege Escalation
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Unknown User Registration & Membership — versions 0
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-11961?
- CVE-2026-11961 is a high-severity vulnerability in User Registration & Membership, classified under Improper Privilege Management. CVSS score: 8.1/10. Published 2026-07-17.
- How severe is CVE-2026-11961?
- High severity. CVSS v3 base score is 8.1 out of 10.