High (8.1) in wpeverest user registration \& membership. EPSS 9.5% chance of exploitation in the next 30 days.
The User Registration & Membership WordPress plugin before 4.1.3 does not properly validate data in an AJAX action when the Membership Addon is enabled, allowing attackers to authenticate as any user, including administrators, by simply using the target account's user ID.
Severity
CVSS 3.1
8.1 high
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
9.5% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)