Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-76548
Unknown User Profile Builder — Profile Builder < 4.0.1 - Unauthenticated Unpublished Content and Media Modification via Front-End Upload Auth Bypass
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U L H N 8.2 .0032 22.9 —
AFFECTED
Product Versions Fixed
User Profile Builder 3.8.1 – —
TIMELINE
Aug 19 Reserved by WPScan
Aug 29 Published (CNA: WPScan)
Aug 30 EXPLOIT PUBLISHED — CVE-2026-76548 (Unknown User Profile Builder). Public exploit reference added.
Description
The User Profile Builder WordPress plugin before 4.0.1 does not properly restrict its front-end file upload feature, granting unauthenticated visitors capabilities reserved to privileged roles. This allows them to list the site's media library and to modify unpublished posts, pages and media items belonging to other users.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| August 19, 2026 | Reserved | Reserved by WPScan |
| August 29, 2026 | Published | Published (CNA: WPScan) |
| August 30, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-76548 (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 | — | 3.8.1 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-76548 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 Sunday, October 4, 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.
