boxscore/security
CVE · referencelatest edition

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-2026-86784

Unknown Visualizer — Visualizer < 4.0.8 - Contributor+ Stored XSS via JSON Data Source
  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
  Visualizer  unspecified  —
TIMELINE
  Sep 8   Reserved by WPScan
  Sep 16  Published (CNA: WPScan)
  Sep 17  EXPLOIT PUBLISHED — CVE-2026-86784 (Unknown Visualizer). Public exploit reference added.
CWE-79 · CNA: WPScan · CVSS v3.1 · 1 reference · NVD status: Deferred

Description

The Visualizer WordPress plugin before 4.0.8 does not sanitise and escape a chart's JSON data source configuration before outputting it back in the chart editor, allowing users with the Contributor role and above to store JavaScript that executes in the browser of any higher-privileged user, such as an administrator, who reviews the affected chart.

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
September 8, 2026ReservedReserved by WPScan
September 16, 2026PublishedPublished (CNA: WPScan)
September 17, 2026EXPLOIT PUBLISHEDEXPLOIT PUBLISHED — CVE-2026-86784 (Unknown Visualizer). Public exploit reference added.

Affected

Affected products and packages — 1 row
VendorProduct / PackageEcosystemVersion introducedFixed
UnknownVisualizer———

Weaknesses

CWE-79

References (1)

Related

Authoritative record: CVE-2026-86784 at cve.org

Weaknesses: CWE-79

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-86784 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.