Visualizer: Tables and Charts Manager for WordPress <= 3.11.14 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Chart Creation and Modification via renderChartPages() and uploadData() Functions
Summary
| CVE | CVE-2026-8689 |
|---|---|
| State | PUBLISHED |
| Assigner | Wordfence |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-28 09:16:48 UTC |
| Updated | 2026-05-28 13:45:25 UTC |
| Description | The Visualizer: Tables and Charts Manager for WordPress plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 3.11.14. This is due to a missing capability check on the renderChartPages() and uploadData() functions, where the wp_ajax_visualizer-create-chart and wp_ajax_visualizer-edit-chart AJAX actions invoke renderChartPages() without any current_user_can() check, and wp_ajax_visualizer-upload-data invokes uploadData() which also lacks a capability check and validates its nonce without an action argument, making it trivially bypassable. This makes it possible for authenticated attackers, with Subscriber-level access and above, to create arbitrary chart posts and access or modify chart data belonging to other users, including administrators. |
Risk And Classification
Primary CVSS: v3.1 4.3 MEDIUM from [email protected]
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS: 0.000310000 probability, percentile 0.093410000 (date 2026-06-01)
Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| 3.1 | CNA | DECLARED | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Themeisle | Visualizer Tables And Charts Manager For WordPress | affected 3.11.14 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| plugins.trac.wordpress.org/browser/visualizer/tags/3.11.14/classes/Visualizer/Module/Cha... | [email protected] | plugins.trac.wordpress.org | |
| plugins.trac.wordpress.org/changeset/3474710 | [email protected] | plugins.trac.wordpress.org | |
| plugins.trac.wordpress.org/browser/visualizer/tags/3.11.14/classes/Visualizer/Module/Cha... | [email protected] | plugins.trac.wordpress.org | |
| www.wordfence.com/threat-intel/vulnerabilities/id/d18e9696-0f96-4478-9871-a93ac... | [email protected] | www.wordfence.com | |
| plugins.trac.wordpress.org/browser/visualizer/tags/4.0.1/classes/Visualizer/Module/Chart... | [email protected] | plugins.trac.wordpress.org | |
| plugins.trac.wordpress.org/browser/visualizer/tags/4.0.1/classes/Visualizer/Module/Chart... | [email protected] | plugins.trac.wordpress.org | |
| plugins.trac.wordpress.org/browser/visualizer/tags/4.0.1/classes/Visualizer/Module/Chart... | [email protected] | plugins.trac.wordpress.org | |
| plugins.trac.wordpress.org/browser/visualizer/tags/3.11.14/classes/Visualizer/Module/Cha... | [email protected] | plugins.trac.wordpress.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: David Fernández Morilla (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-05-15T14:56:45.000Z | Vendor Notified |
| CNA | 2026-05-27T19:31:18.000Z | Disclosed |
There are currently no legacy QID mappings associated with this CVE.