Vulnerability · Published Aug 1, 2026 · Assigned by WPScan
CVE-2026-15368Profile Builder < 3.16.4 - Unauthenticated Account Takeover via Auto-Login After Registration
High 8.1
In plain English
A high-severity privilege mismanagement in User Profile Builder from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.4%top 67.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | User Profile Builder | 0 – before 3.16.4 |
Weakness: CWE-269 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://wpscan.com/vulnerability/df1eb738-15bf-4f8b-aa06-e0a42f1e9c2e/ exploit, vdb-entry, technical-description