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-2026-76546
Unknown User Profile Builder — Profile Builder < 4.0.1 - Contributor+ Stored XSS via Format Date Shortcode
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L H R U H H H 6.8 .0043 35.1 —
AFFECTED
Product Versions Fixed
User Profile Builder 3.3.4 – —
TIMELINE
Aug 19 Reserved by WPScan
Aug 29 Published (CNA: WPScan)
Aug 30 EXPLOIT PUBLISHED — CVE-2026-76546 (Unknown User Profile Builder). Public exploit reference added.
Description
The User Profile Builder WordPress plugin before 4.0.1 does not escape the output of one of its optional shortcodes, allowing users with a role as low as contributor to perform Stored Cross-Site Scripting attacks against any user viewing the affected content, including administrators. The shortcode is not enabled by default.
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-2026-76546 (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 | — | 3.3.4 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-76546 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.
