CVE-2026-86779: CWE-862 Missing Authorization in Visualizer
The Visualizer WordPress plugin before 4.0.6 does not properly authorise chart-deletion requests, performing only a site-wide capability check with no per-object ownership verification, allowing users with the Contributor role and above to permanently delete any chart on the site, including charts created by other users such as administrators.
AI Analysis
Technical Summary
CVE-2026-86779 describes a missing authorization vulnerability (CWE-862) in the Visualizer WordPress plugin versions prior to 4.0.6. The plugin fails to perform per-object ownership verification when handling chart deletion requests, instead only checking if the user has a general capability. Consequently, users with the Contributor role or above can permanently delete charts created by other users, including administrators. This issue affects all versions from 0 up to but not including 4.0.6.
Potential Impact
Users with Contributor role or higher can delete any chart on the WordPress site regardless of ownership, potentially leading to unauthorized data loss or disruption of site content managed by other users, including administrators.
Mitigation Recommendations
Upgrade the Visualizer plugin to version 4.0.6 or later, where this authorization issue has been fixed. No other mitigation guidance is provided, and patch status is confirmed by the version boundary in the affectedVersions field.
CVE-2026-86779: CWE-862 Missing Authorization in Visualizer
Description
The Visualizer WordPress plugin before 4.0.6 does not properly authorise chart-deletion requests, performing only a site-wide capability check with no per-object ownership verification, allowing users with the Contributor role and above to permanently delete any chart on the site, including charts created by other users such as administrators.
CVSS v3.1
Score 2.7low
Affected software
Visualizer
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-86779 describes a missing authorization vulnerability (CWE-862) in the Visualizer WordPress plugin versions prior to 4.0.6. The plugin fails to perform per-object ownership verification when handling chart deletion requests, instead only checking if the user has a general capability. Consequently, users with the Contributor role or above can permanently delete charts created by other users, including administrators. This issue affects all versions from 0 up to but not including 4.0.6.
Potential Impact
Users with Contributor role or higher can delete any chart on the WordPress site regardless of ownership, potentially leading to unauthorized data loss or disruption of site content managed by other users, including administrators.
Mitigation Recommendations
Upgrade the Visualizer plugin to version 4.0.6 or later, where this authorization issue has been fixed. No other mitigation guidance is provided, and patch status is confirmed by the version boundary in the affectedVersions field.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-09-08T11:42:52.572Z
- State
- PUBLISHED
Threat ID: 6aa3a07b91cc7f3848c78c4e
Added to database: 09/11/2026, 06:32:27 UTC
Last enriched: 09/11/2026, 06:48:12 UTC
Last updated: 09/11/2026, 22:23:26 UTC
Views: 16
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