CVE-2026-15930 Simple Membership < 4.7.8 - Unauthenticated Administrator Account Takeover via Registration Username Collision

The Simple Membership WordPress plugin before 4.7.8 does not verify whether user creation failed during registration before using the returned value as a user ID to update an account, allowing unauthenticated attackers to overwrite the primary administrator's account data including the email...

CVE-2026-15930

The CVE concerns the Simple Membership WordPress plugin prior to version 4.7.8. It does not verify whether user creation failed during registration before using the returned value as a user ID to update an account, enabling an unauthenticated attacker to overwrite the primary administrator’s acco...