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.
History

Fri, 13 Nov 2026 13:00:00 +0000

Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions visualizer
Vendors & Products Wordpress-extensions
Wordpress-extensions visualizer

Thu, 17 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 16 Sep 2026 16:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Wed, 16 Sep 2026 06:15:00 +0000

Type Values Removed Values Added
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.
Title Visualizer < 4.0.8 - Contributor+ Stored XSS via JSON Data Source
References

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-09-16T06:00:16.121Z

Updated: 2026-09-17T12:33:57.277Z

Reserved: 2026-09-08T11:48:48.943Z

Link: CVE-2026-86784

cve-icon Vulnrichment

Updated: 2026-09-17T12:16:17.919Z

cve-icon NVD

Status : Deferred

Published: 2026-09-16T06:16:34.950

Modified: 2026-09-17T13:16:53.590

Link: CVE-2026-86784

cve-icon Redhat

No data.