Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Unknown User Profile Builder — Profile Builder < 3.16.4 - Unauthenticated Account Takeover via Auto-Login After Registration
AV AC PR UI S C I A CVSS EPSS %ile KEV
N H N N U H H H 8.1 .0023 13.6 —
AFFECTED
Product Versions Fixed
User Profile Builder unspecified —
TIMELINE
Jul 10 Reserved by WPScan
Aug 1 Published (CNA: WPScan)
Aug 4 EXPLOIT PUBLISHED — CVE-2026-15368 (Unknown User Profile Builder). Public exploit reference added.
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| July 10, 2026 | Reserved | Reserved by WPScan |
| August 1, 2026 | Published | Published (CNA: WPScan) |
| August 4, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-15368 (Unknown User Profile Builder). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Unknown | User Profile Builder | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-15368 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.