CVE-2026-86782: CWE-639 Authorization Bypass Through User-Controlled Key in Visualizer
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.
AI Analysis
Technical Summary
CVE-2026-86782 is an authorization bypass vulnerability in the Visualizer WordPress plugin before version 4.0.6. The plugin does not properly restrict access to its chart-building actions, enabling users with Contributor role and above to manipulate content beyond their permissions. This includes publishing, renaming, and overwriting posts and pages owned by other users, including private drafts.
Potential Impact
Users with Contributor role or higher can exploit this vulnerability to modify or publish content they do not own, potentially leading to unauthorized content changes and privacy violations of private drafts. This could undermine content integrity and confidentiality within the affected WordPress sites.
Mitigation Recommendations
Upgrade the Visualizer plugin to version 4.0.6 or later, where this authorization bypass vulnerability has been fixed. No other mitigation steps are indicated.
CVE-2026-86782: CWE-639 Authorization Bypass Through User-Controlled Key in Visualizer
Description
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.
CVSS v3.1
Score 5.5medium
Affected software
Visualizer
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-86782 is an authorization bypass vulnerability in the Visualizer WordPress plugin before version 4.0.6. The plugin does not properly restrict access to its chart-building actions, enabling users with Contributor role and above to manipulate content beyond their permissions. This includes publishing, renaming, and overwriting posts and pages owned by other users, including private drafts.
Potential Impact
Users with Contributor role or higher can exploit this vulnerability to modify or publish content they do not own, potentially leading to unauthorized content changes and privacy violations of private drafts. This could undermine content integrity and confidentiality within the affected WordPress sites.
Mitigation Recommendations
Upgrade the Visualizer plugin to version 4.0.6 or later, where this authorization bypass vulnerability has been fixed. No other mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-09-08T11:45:46.479Z
- State
- PUBLISHED
Threat ID: 6aa3a07b91cc7f3848c78c51
Added to database: 09/11/2026, 06:32:27 UTC
Last enriched: 09/11/2026, 06:47:56 UTC
Last updated: 09/11/2026, 22:06:35 UTC
Views: 14
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