CVE-2026-86784
Visualizer < 4.0.8 - Contributor+ Stored XSS via JSON Data Source
- State
- Published
- Severity
- 6.8 Medium
- Published
- Sep 16, 2026
- Updated
- Sep 17, 2026
- Reserved
- Sep 8, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.8 Medium | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
VisualizerUnknown |
|
References
- https://wpscan.com/vulnerability/9ac2d380-62fd-4967-8697-40175ffdf1c7/exploitvdb-entrytechnical-description
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