CVE-2026-86782
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk8th percentile - higher than 8% of all known CVEs
Summary
The Visualizer WordPress plugin before 4.0.6 does not properly authorise access to its chart-building actions, allowing users with the Contributor role and above to publish, rename, and overwrite the content of posts and pages they do not own, including other users' private drafts.
Risk Assessment
A low-privileged user can modify or publish content owned by others, including private drafts, compromising the integrity of site content.
Recommendation
Update the Visualizer plugin to version 4.0.6 or later and review the permissions of users with the Contributor role.
Other vulnerabilities in Visualizer
See all- CVE-2026-86784Medium
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. Users with the Contributor role and above can store JavaScript that executes in the browser of any higher-privileged user, such as an administrator, who reviews the affected chart.
- CVE-2026-19726Medium
The Visualizer WordPress plugin before 4.0.7 does not properly authorize access to chart configuration, allowing users with the Contributor role and above to read the full configuration of any chart on the site, including charts the plugin's interface denies them, and to retrieve every chart's configuration in a single request. The disclosed configuration can include credentials of a remote data source.
- CVE-2026-65526High
The Visualizer WordPress plugin (versions up to and including 4.0.1) has a blind SQL Injection vulnerability due to improper neutralization of special elements in SQL commands.
- CVE-2026-24573Medium
The WordPress plugin Visualizer before version 4.0.0 contains a Stored Cross-Site Scripting (XSS) vulnerability due to improper neutralization of input during web page generation.
Original NVD description (English source)
The Visualizer WordPress plugin before 4.0.6 does not properly authorise access to its chart-building actions, allowing users with the Contributor role and above to publish, rename, and overwrite the content of posts and pages they do not own, including other users' private drafts.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS