CVE-2026-86784
Visualizer < 4.0.8 - Contributor+ Stored XSS via JSON Data Source
MEDIUM 6.8EPSS 0.4%
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.
- Affected
- Visualizer
- CVSS v3.1 CNA
- 6.8 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - EPSS
- 0.43% chance of exploitation in the next 30 days, 36th percentile
- Published
- 2026-09-16
- Updated
- 2026-09-17