CVE-2020-36156: Ultimatemember Ultimate Member

High severity, CVSS 8.8. EPSS: 2.1% chance of exploitation in the next 30 days.

An issue was discovered in the Ultimate Member plugin before 2.1.12 for WordPress, aka Authenticated Privilege Escalation via Profile Update. Any user with wp-admin access to the profile.php page could supply the parameter um-role with a value set to any role (e.g., Administrator) during a profile update, and effectively escalate their privileges.

Affected products

• Ultimatemember Ultimate Member: before 2.1.12 (fixed in 2.1.12)

Published 2021-01-04. Last modified 2026-06-17.