CVE-2026-86784

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.

Score

CVSS 3.1 6.8 Medium

Status

Deferred - contact@wpscan.com

Published

2026-09-16

Last modified

2026-09-17

Weaknesses

CWE-79

Affected products

• Visualizer (Unknown)

References

• https://wpscan.com/vulnerability/9ac2d380-62fd-4967-8697-40175ffdf1c7/