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 ac…
Published: 2026-08-03 · CVSS: 9.4 · CVSS 3.1
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 address) and take over that account through the password reset flow.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7