CVE-2026-15368

Profile Builder < 3.16.4 - Unauthenticated Account Takeover via Auto-Login After Registration

The User Profile Builder WordPress plugin before 3.16.4 does not correctly bind the automatic login performed after user registration to the newly created account, allowing unauthenticated attackers to obtain an authenticated session for an arbitrary existing user, including administrators, on sites using a supported but non-default configuration.

Affected

User Profile Builder

CVSS v3.1 CNA

8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.38% chance of exploitation in the next 30 days, 31st percentile

Published

2026-08-01

Updated

2026-08-05

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/df1eb738-15bf-4f8b-aa06-e0a42f1e9c2e/

References

• CVE Record
• NVD entry