Reference page — cumulative record through Thursday, October 8, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-86817

CVE-2026-86817MEDIUM

Unknown Five Star Business Profile and Schema — Five Star Business Profile and Schema 2.3.20 - 2.3.21 - Author+ Sensitive Data Disclosure via Schema Field Default Callback

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   H   N  U  H  N  N    4.9   .0023   13.2     —

AFFECTED
  Product                                Versions  Fixed
  Five Star Business Profile and Schema  2.3.20 –  —

TIMELINE
  Sep 8   Reserved by WPScan
  Oct 4   Published (CNA: WPScan)
  Oct 5   EXPLOIT PUBLISHED — CVE-2026-86817 (Unknown Five Star Business Profile and Schema). Public exploit reference added.

CWE-200 · CNA: WPScan · CVSS v3.1 · 1 reference · NVD status: Deferred

Description

The Five Star Business Profile and Schema WordPress plugin before 2.4.0 does not properly restrict the callbacks used to resolve schema field default values, allowing authenticated users with Author-level access and above to store input that discloses sensitive data, including other users' password hashes and arbitrary site option values, in public output readable by unauthenticated visitors.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 8, 2026	Reserved	Reserved by WPScan
October 4, 2026	Published	Published (CNA: WPScan)
October 5, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-86817 (Unknown Five Star Business Profile and Schema). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Unknown	Five Star Business Profile and Schema	—	2.3.20	—

Weaknesses

CWE-200

References (1)

https://wpscan.com/vulnerability/2a400958-7ed8-4358-a46a-2b8e0716a771/

Authoritative record: CVE-2026-86817 at cve.org

Weaknesses: CWE-200

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-86817 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 Thursday, October 8, 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.